How Much Are The Flat Rate Boxes At The Post Office?

Small USPS Flat Rate boxes start at $8.45 (unless you have a commercial account) and are ideal for shipping a smartphone-sized item. On the top end, large USPS Flat Rates boxes start at $21.90 and can hold laptop-sized items.
Domestic Priority Mail Flat-Rate Packaging Information

Package Price
Priority Mail Small Flat-Rate Box $4.95
Priority Mail Medium Flat-Rate Box (FRB1) $10.35
Priority Mail Medium Flat-Rate Box (FRB2) $10.35
Priority Mail Large Flat-Rate Box $13.95

Small flat rate boxes are $5.95 per box. Medium sized (both styles) flat rate boxes are $12.65 per box. Large sized flat rate boxes are $17.90 per box.

What is a USPS Flat rate box?

Using a USPS Flat Rate Box can cut your shipping costs by 50%. This is a great way to prepare for peak shipping. In addition to large Flat Rate Boxes, small Flat Rate Boxes and medium Flat Rate Box prices are supported through the EasyPost API by using our predefined packages.

How much does it cost to ship a flat box?

Available USPS flat rate box sizes and USPS flat rate shipping prices include: Small Flat Rate Box. 8 11/16” x 5 7/16” x 1 3/4”. Ships for $7.20. Medium Flat Rate Box, Top Loading. 11 1/4′ x 8 3/4′ x 6. Ships for 13.65. Medium Flat Rate Box, Side Loading. 14” x 12” x 3 1/2”.

How do I take advantage of USPS Flat rate?

To take advantage of USPS flat rate, you will need the right supplies. USPS offers their priority mail boxes and envelopes for free. There is no cost for picking up these priority boxes, but you must use them for the proper form of priority mail shipping. You can pick up flat rate boxes in-person from any post office.

How much does it cost to mail a USPS Flat rate envelope?

In addition to boxes, USPS Flat Rate envelopes work under the same shipment standards. The available sizes are: Gift Card Envelope. 10” x 7”. Mails for $6.70.

Is it cheaper to use a flat rate box or your own box USPS?

USPS Flat Rate Envelopes are almost ALWAYS the cheapest option. However, use your own envelope for packages weighing exactly 1 lb. and traveling locally. And if your package weighs less than 1 lb., use your own envelope and ship via USPS First-Class Package Service.

Is it cheaper to mail flat rate or priority?

Priority Mail from USPS is often the cheapest way to get a package to its destination in 1-3 days, tracking included. When your packages are lighter, Priority Mail sometimes even beats Flat Rate on price, particularly on packages that are only a couple pounds and traveling to Zone 4 or closer.

Can you get flat rate boxes at the post office?

You can pick up flat rate boxes in-person from any post office. Authorized USPS shippers may also have the boxes available. You can also order the boxes from the USPS website. So long as you create an account and have a physical address that can receive packages, USPS will deliver boxes to you for free.

What are the sizes of USPS flat rate boxes?

USPS Priority Mail Flat Rate Options

Type Size Price
Small Box 8 11/16′ x 5 7/16′ x 1 3/4′ $9.45
Medium Boxes 11 1/4′ x 8 3/4′ x 6′ or 14′ x 12′ x 3 1/2′ $16.10
Large Box 12-1/4′ x 12-1/4′ x 6′ or 24-1/16′ x 11-7/8′ x 3-1/8′ $21.50
APO/FPO Box 12-1/4′ x 12-1/4′ x 6′ $20.00

Are Flat Rate shipping boxes free?

USPS flat rate boxes are free. Merchants can simply order them at no cost and start shipping. Merchants will still need to purchase packing peanuts or similar cushioning material, but not having to pay as much as $1 per box can be huge savings.

What is the cheapest way to ship?

USPS will always be the cheapest way to ship compared to FedEx or UPS hands down. However as the weight creeps closer to 2 pounds, USPS shipping costs achieve pricing parity with UPS and FedEx Ground.

What is the cheapest size box to ship?

However, if your cargo can fit into a flat rate box (18” x 14” x 12” weighing under 40 lbs), flat rate shipping is the most cost-effective at about $64 per box regardless of where it’s traveling.

How much is a medium Flat Rate box 2021?

U.S. Postal Service Announces New Domestic Competitive Prices for 2021

Product Current Planned Increase
Small Flat-Rate Box $8.30 $8.45
Medium Flat-Rate Box $15.05 $15.50
Large Flat-Rate Box $21.10 $21.90
APO/FPO Large Flat-Rate Box $19.60 $20.40

How do I send a flat rate box?

To use USPS flat rate shipping, you need to get a USPS flat rate box from your local USPS office (small, medium, or large size), add no more than 70 pounds of contents that fit inside the box, label an address, and ship the box at a USPS office using Priority Mail.

Where do I pick up USPS flat rate boxes?

Where Can I Get Flat Rate Boxes? Flat rate boxes can be picked up at your local Post Office™ or ordered online—both for $0! If you have the boxes readily available your employees and colleagues are more likely to use them.

Can I use a flat rate box but pay by weight?

The weight restriction for domestic Flat Rate Envelopes and Boxes is 70 lbs. If an FRE or FRB is presented at the office of mailing and the customer has manipulated or reconstructed it, the container is accepted using weight and zone — not the Flat Rate price.

What is the largest USPS flat rate box?

Benefits Of Using Priority Mail Flat Rate With Stamps.com

Priority Mail® Flat Rate Options Maximum Weight Outside Dimensions
Medium Flat Rate Box – Side Loading up to 70 lbs. 14″ x 12″ x 3 1⁄2″
Large Flat Rate Box up to 70 lbs. 12 1⁄4″ x 12 1⁄4″ x 6″
APO/FPO Large Box up to 70 lbs. 12 1⁄4″ x 12 1⁄4″ x 6″

How much postage for a flat rate box?

Small Flat Rate Boxes. From $29.55 at Post Office. From $28.10 for Commercial Base. From $28.10 for Commercial Plus. Medium Flat Rate Boxes. From $54.65 at Post Office. From $51.90 for Commercial Base. From $51.90 for Commercial Plus. Large Flat Rate Boxes. From $71.05 at Post Office. From $67.50 for Commercial Base. From $67.50 for Commercial Plus

How much does it cost to ship flat rate boxes?

Priority Mail Flat Rate ® lets you ship packages up to 70 lbs to any state at the same price. Ship from Post Office ™ locations or from your home or business with Click-N-Ship ® service. Prices start at $7.95. ALERT: As a result of the ongoing COVID-19 emergency, certain packages may take longer than usual to arrive.

How much does a post office box cost?

PO Box Cost Overview. The cost of a PO box can vary greatly depending on your location. For example, renting an extra small box for three months can be as little as $10 in some areas and as much as $67 in other areas. You can get a rough idea of prices from the data below, which shows the average prices for PO boxes in all ZIP codes.

How much does a flat rate box cost?

USPS flat rate boxes are free. Merchants can simply order them at no cost and start shipping. Merchants can simply order them at no cost and start shipping. Merchants will still need to purchase packing peanuts or similar cushioning material, but not having to pay as much as $1 per box can be huge savings.

USPS Boxes 101: Sizes, Prices & Restrictions

  • Important Points: The United States Postal Service provides free shipping boxes to go along with most of its shipping services, however you’ll have to pay for USPS Forever Prepaid Flat Rate boxes.
  • USPS boxes can be ordered online or obtained from your local post office.
  • By using our Free Shipping Costs Calculator, Easyship can help you save up to 70% off reduced USPS shipping rates.
  • In order to complement its shipping services, the United States Postal Service (USPS) offers a variety of shipping boxes, including:USPS Flat Rate boxes
  • USPS Regional Rate boxes
  • USPS Forever Prepaid Flat Rate boxes
  • and USPS Forever Prepaid Flat Rate boxes.
  1. Choosing the most appropriate USPS boxes is an important step in obtaining the lowest possible USPS shipping prices.
  2. Unfortunately, most USPS boxes are not free to order, but they may be ordered on the USPS website.
  3. Do you want to transport packages using your own boxes through the United States Postal Service?
  4. You can, but only if you use Flat Rate shipping.
  1. Flat-rate shipping must be done through the United States Postal Service (USPS).
  2. Read this blog to find out the ins and outs of determining which USPS box is the best fit for your next cargo.
  3. Easyship can assist you in saving up to 70% on USPS shipments, regardless of the sort of box you choose to ship in.
  4. This is due to the fact that Easyship provides you with access to the Commercial Plus Pricing rates from the United States Postal Service.
  5. Read on to learn about the various USPS boxes, their pricing and the shipping alternatives that are available to you through this page.

Table of Contents

01 3 Different Types of United States Postal Service Boxes 02 How Much Do United States Postal Service Boxes Cost? 03 How to Get the Lowest Possible Rate from the United States Postal Service Easyship shipping is available for 04 USPS boxes. 05 Frequently Asked Questions About USPS Shipping Boxes

3 Types of USPS Boxes

Take a look at these three different types of USPS boxes that you may use to package your things!

USPS Flat Rate Boxes

  • The United States Postal Service Flat Rate is a shipping option that costs a single flat amount for delivery to any location in the United States. For the first time, unlike other shipping alternatives, Flat Rate rates are not depending on the weight of the package. As a result, shipping large things across long distances in a USPS Flat Rate box or envelope is frequently the most cost-effective option. If you want to ship using USPS Flat Rate, you must utilize USPS Flat Rate shipping boxes. Flat Rate boxes are available in three basic sizes: small, medium, and big. Small, medium, and large are the most popular. Flat Rate packaging is also available in the following forms: envelopes
  • padded envelopes
  • boardgame boxes
  • military shipping boxes (APO/DPO)
  • and other forms of packaging.
  1. As long as your item fits into any Flat Rate packing, it can be transported by Flat Rate for a fixed rate to any location in the United States of America.
  2. On the United States Postal Service website, you may order free USPS Flat Rate boxes.
  3. They are available in quantities of 10 or 25.
  4. The costs and dimensions of all USPS Flat Rate boxes, as well as examples of what may be packed into each box, are included in the table below.
  1. Small USPS Flat Rate boxes, which start at $8.45 (unless you have a business account), are suitable for sending items the size of a smartphone and are available in several sizes.
  2. Large USPS Flat Rate boxes, which can contain things up to the size of a laptop, start at $21.90 and go up from there.
  3. Do you want to ship smaller items?
  4. Using a Flat Rate envelope can allow you to save money.
  5. Due to the fact that envelopes are not durable, they are only appropriate for things that have previously been packaged in protective packaging or that are not prone to breaking.
  • Here’s a list of the several types of USPS Flat Rate envelopes that are available, as well as examples of what can be placed within each envelope.
  • Flat Rate shipping is frequently the most cost-effective method of getting your goods to its destination, especially for bigger items.
  • If you are mailing using USPS Flat Rate, you will need to use flat rate boxes or envelopes.

USPS Regional Rate Boxes

  • Regional Charge is a shipping service provided by the United States Postal Service that sets the shipping rate based on the distance between the shipment and the destination. Prices for Regional Rate relate to a specific geographic region, or ″zone,″ and are available for both domestic and international shipping. Regional Rate is not available for expedited delivery. In general, sending small goods over a short distance at a Regional Rate might be the most cost-effective option. If you purchase USPS Regional Rate boxes online through the USPS, they are completely free. In contrast, if you go to your local Post Office and ask for Regional Rate boxes, you will be required to pay an additional fee for the boxes. The majority of the time, ordering USPS boxes online and having them delivered is the best option. Regional Rate boxes are available in three weight-based sizes from the United States Postal Service: There are three regional rate boxes: Regional Rate Box A (up to 15 pounds), Regional Rate Box B (20 pounds), and Regional Rate Box C (up to 25 pounds).
  1. Both side-loading and top-loading Regional Rate boxes are available from the United States Postal Service (USPS).
  2. The prices for these United States Postal Service boxes are listed in the table below.
  3. Regional Rate rates start at $5.32 for Box A and go up to $15.25 for Box C, with Box A being the most expensive.
  4. You must utilize the Regional Rate shipping service if you want to ship with USPS Regional Rate boxes.
  1. For more information, see Regional Rate shipping.
  2. You can, however, use your own packaging for Regional Rate if you choose.
  3. Use USPS Priority Mail Cubic to receive the best prices on USPS Regional, since this method calculates the rate price based on the package dimensions rather than the package weight.
  4. While this may appear to be complex, all you really need to know is that you will receive various pricing depending on whatever packing you choose for Regional Rate.

USPS Forever Prepaid Flat Rate Boxes

  1. Forever Prepaid is a type of USPS Flat Rate that is available for purchase.
  2. Forever Prepaid Flat Rate shipments are similar to standard Flat Rate shipments in that they can be shipped to any US destination for a single flat rate.
  3. The distinction between Forever Prepaid and other prepaid postage services is that you may purchase these USPS boxes and have them work as prepaid postage — with no expiration date attached.
  4. For as long as you have a Forever Prepaid Flat Rate box and your item does not exceed the Flat rate weight restriction, you may send the box without having to worry about whether or not it will fulfill postage requirements.
  1. Future pricing hikes are not applicable to USPS Prepaid Boxes, which is a significant advantage.
  2. Rate increases do occur on a periodic basis.
  3. As a result, even if interest rates rise, you may continue to utilize Forever Prepaid.
  4. However, because the USPS Forever Prepaid Flat Rate contains your return address, the shipments will not work if you change your residence or office.
  5. Prepaid boxes from the United States Postal Service are not free, unlike Flat Rate and Regional Rate boxes.
  • Purchase them online at USPS.com or pick them up at your local postal facility.
  • The screenshots below demonstrate the various USPS Priority Mail Forever Box sizes as well as their associated pricing.
See also:  How To Track My Stimulus Check Through The Post Office?

How Much Do USPS Boxes Cost?

  • The majority of USPS boxes, including Regional Rate boxes and Flat Rate boxes, are free. This is also true for all Priority Mail and Priority Mail Express services provided by the United States Postal Service. To be clear, Flat Rate and Regional Rate both belong under the Priority Mail umbrella, which is why they both come with complimentary USPS boxes as part of the package. Free USPS boxes are available for order on the USPS website in quantities of 10 or 25. The delivery is completely free. You will, however, need to purchase Forever Prepaid Flat Rate boxes in order to use this service. They are available in three different sizes and may be obtained directly from the United States Postal Service website. The order quantity must be at least five. The following are the costs for each USPS service. The following is the size of the Forever Prepaid Flat Rate box: Small costs $8.45, medium costs $15.50, and large costs $12.90.

Check out our guide to free packing for additional information on how to get free shipping boxes.

How to Get The Cheapest USPS Shipping

  1. When it comes to shipping with the United States Postal Service, there are several factors to make – which USPS boxes to use, which service to select, and the final cost, once all is said and done.
  2. You may save time and money by using the Easyship Free Shipping Rate Calculator to do all of your research for you.
  3. All you have to do is enter the weight of your item and the location of your delivery to view real-time exact rates for all of the most affordable shipping services available, including USPS.
  4. Here are some shipping prices for a 2-pound item traveling from New York, NY to Denver, CO.
  1. The most cost-effective choice for our requirements is USPS Priority Mail, which costs $9.14.
  2. How much more convenient is this than browsing the USPS website for pricing, receiving a quote, and then repeating the process at FedEx, DHL, UPS, and other shipping companies?
  3. Our rate calculator is always available to you for free.
  4. Additionally, it displays the savings you would get by shipping with Easyship for USPS shipment and the related USPS boxes.
  5. As previously stated, Easyship may save you $6.09 off the retail price of shipping from the United States Postal Service.
  • While researching boxes and costs, it’s vital to keep in mind that you can generally skip this step by using Easyship to collect all of the lowest shipping rates.
  • Then, all you have to do is purchase free USPS boxes online, and you’re done for the time being.

USPS Boxes With Easyship Shipping

  1. A lot of considerations go into shipping with the United States Postal Service: which USPS boxes to use, which service to choose, and the final cost of the shipment once everything is said and done.
  2. By using the Easyship Free Shipping Rate Calculator, you may save time and money on your shipping expenses.
  3. Only by entering your package weight and delivery location can you view real-time precise costs for all of the lowest shipping services available, including USPS, including the US Postal Service.
  4. Here are some shipping prices for a 2-pound item traveling from New York, NY to Denver, CO: At $9.14, USPS Priority Mail is the most affordable alternative for our requirements.
  1. Consider how much quicker it is to accomplish this than to search the USPS website for rates and receive a quotation, then to do the same at FedEx, DHL, UPS, and other shipping companies.
  2. It is always free to make use of our rate calculator.
  3. More than that, it displays the savings you will realize by shipping with Easyship via the United States Postal Service (USPS).
  4. Easyship can save you $6.09 off the retail price of USPS shipping when compared to the competition, as seen above.
  5. While researching boxes and costs, it’s vital to keep in mind that you can generally skip this step by using Easyship to collect all of the lowest rates available.
  • Everything else is as simple as ordering free USPS boxes online and you’re done.

USPS Shipping Boxes FAQ

  1. What should I do with my unused United States Postal Service boxes?
  2. Unused United States Postal Service boxes can be returned to the local Post Office for repurposing.
  3. Is it possible to purchase USPS boxes online?
  4. Yes, and shipping is completely free.
  1. You may also purchase select USPS boxes from your local post office, but there is no assurance that the items you want will be in stock at the time you need them.
  2. What is the best way to track a free USPS box?
  3. All USPS tracking is completed by visiting USPS.com and clicking on the tracking link on your package receipt.

USPS Flat Rate Boxes & Pricing

Sign up is completely free. Contact sales.

What are USPS Flat Rate Boxes?

  1. Flat Rate Boxes from the United States Postal Service are exactly that – boxes with flat postage costs, regardless of how hefty the parcel is.
  2. Flat Rate Boxes are the most cost-effective shipping choice for transporting bulky or small products.
  3. Utilize USPS flat rates by ensuring that you have a sufficient supply of them near your fulfillment activities.
  4. Using a USPS Flat Rate Box might help you save up to 50% on your shipping expenses.
  1. This is a fantastic method to be ready for peak shipping season.
  2. Additionally, tiny Flat Rate Boxes and medium Flat Rate Box costs are available using the EasyPost API by utilizing our specified packages in addition to the rates for large Flat Rate Boxes.
  3. Because of this, it is simple to set up internally and begin earning savings from your Flat Rate Boxes immediately after integrating with EasyPost.

How Much Do USPS Flat Rate Boxes Cost?

We’ve divided down the price into a table for your convenience. Please keep in mind that the rates listed below are for USPS Commercial Plus Pricing, which is accessible when shipping using EasyPost. Interested in joining up for USPS Commercial Plus Pricing? Please contact us so that we can get you set up with the appropriate account.

USPS Priority Mail Flat Rate Options

The most recent update was made on January 9, 2022.

Type Size EasyPost Predefined Package Price
Letter Envelope 12 1/2″ x 9 1/2″ FlatRateEnvelope $7.75
Window Envelopes 10″ x 6″ FlatRateWindowEnvelope $7.75
Small Envelopes 10″ x 6″ SmallFlatRateEnvelope $7.75
Padded Envelopes 12 1/2″ x 9 1/2″ FlatRatePaddedEnvelope $9.65
Legal Envelopes 15″ x 9 1/2″ FlatRateLegalEnvelope $9.25
Small Box 8 11/16″ x 5 7/16″ x 1 3/4″ SmallFlatRateBox $9.45
Medium Boxes 11 1/4″ x 8 3/4″ x 6″ or 14″ x 12″ x 3 1/2″ MediumFlatRateBox $16.10
Large Box 12-1/4″ x 12-1/4″ x 6″ or 24-1/16″ x 11-7/8″ x 3-1/8″ LargeFlatRateBox $21.50
APO/FPO Box 12-1/4″ x 12-1/4″ x 6″ LargeFlatRateBoxAPOFPO $20.00

Please keep in mind that these are estimates. When you order postal, these pricing may change from what you see here. If you have any queries regarding our Commercial Plus pricing, please feel free to contact us using the button below.

Save Money on Shipping Today

EasyPost’s Multi-Carrier Shipping API Includes:
  • On ALL accounts, USPS Commercial Plus Pricing is available.
  • Access to the United States Postal Service, UPS, FedEx, and DHL, as well as 95 other carriers
  • • Tracking, rating, address verification, as well as insurance features are available.
  • EasyPost testing is provided at no charge and with no upfront costs.
  • Client libraries for.Net, Java, Ruby, Python, Node, PHP, and Go
  • Client libraries for other programming languages

How USPS Can Help You Save Money on Shipping

Anyone who mails a large number of items will find that USPS Flat Rate boxes are a very cost-effective solution. You have a variety of options for getting your items to their destinations because of the predictable pricing and flexible shipping options. So, how exactly do USPS Flat Rate boxes function?

Getting Boxes

  1. You’ll need the necessary supplies in order to take advantage of the USPS flat rate service.
  2. The United States Postal Service provides free priority mail boxes and envelopes.
  3. Picking up these priority boxes is completely free, but you must utilize them for the right type of priority mail shipment in order for them to be valid.
  4. Flat rate boxes can be picked up in person at any US Post Office location.
  1. Authorized United States Postal Service shippers may also have the boxes on hand.
  2. You may also order the boxes directly from the United States Postal Service website.
  3. As long as you register an account and have a real location where parcels may be delivered, the United States Postal Service will mail boxes to you for free.
  4. Other online sources for flat rate boxes include USPS affiliates such as eBay and Stamps.com, as well as other third-party vendors.
  5. When bought online, USPS flat rate boxes are available in quantities of ten and twenty-five.
  • Flat rate envelopes are available in quantities of 10 and 100.

What You Can Ship

  1. A Priority Mail box will allow you to ship anything at the predetermined postage rate, as long as it fits into the box or envelope that you have purchased.
  2. In order to qualify for Priority Mail delivery, the package must be able to seal inside its regular folds and cannot have any changes that allow it to hold more than it was designed to handle.
  3. Flat Rate Express services have a weight restriction of 20 pounds for standard Flat Rate boxes and a weight limit of 70 pounds for regular Flat Rate boxes, respectively.
  4. Aside from these fundamental criteria, all shipments sent using Flat Rate boxes must adhere to all USPS shipping regulations.
  1. Airbags, ammunition, explosives, gasoline, marijuana, cigarettes, and other kinds of tobacco are all included in this category.

How to Ship

  1. After you’ve packed your boxes, you may drop them off at the post office, where you’ll be responsible for the shipping costs associated with your chosen box.
  2. You may also pay for your shipping charges in advance at the post office and then mail your box from the comfort of your own home.
  3. Additionally, you may print mailing labels and pay for postage online.
  4. When you are doing this, you want to make sure that the label you use corresponds to the sort of box you are working with.
  1. You may not use USPS Priority Mail boxes for anything other than Priority Mail, and if you use an Express box, you must pay the higher charge for Express service.
  2. It is possible to just drop the parcel in your mailbox for pickup after making a postage payment online.
  3. If the shipment is bigger, you can also schedule a free pickup with the United States Postal Service to have the parcel collected.

Where You Can Ship To

Shipping items anywhere in the United States is made possible by using flat rate boxes. In comparison to other shipping services that charge fixed prices, such as UPS and FedEx, the variety of possible addresses is far greater with DHL.

Delivery Time

Priority Mail is a term that refers to flat rate boxes and envelopes provided by the United States Postal Service. Delivery of regular Priority Mail takes approximately 2-3 working days. Shipments sent using Priority Mail Express are delivered within one business day after being sent.

Available Boxes and Prices

  • The most significant advantage of flat rate boxes is that, as long as you adhere to the shipping standards, you will pay the same amount for each and every box you send, regardless of how many you ship. In contrast to standard shipping, you do not have to factor in the weight of your package when calculating the price of your delivery. The following are the USPS flat rate box sizes and USPS flat rate shipping charges that are currently available: Small flat rate box with dimensions of 8 11/16″ x 5 7/16″ x 1 3/4″ This item ships for $7.20 in a Medium Flat Rate Box with Top Loading. It measures 11 1/4 by 8 3/4 by 6. This item ships for 13.65 in a Medium Flat Rate Box with Side Loading. It measures 14″ x 12″ x 3 1/2″. Shipping is $13.65 for a large flat rate box measuring 12 1/4″ x 12 1/4″ x 6″. Approximately 12 1/4″ x 12 1/4″ x 6″ and ships for $18.90 through APO/FPO Large Box. Shipping costs $17.40
  • APO/FPO boxes also make it possible to mail packages to military troops stationed overseas. In addition to boxes, USPS Flat Rate envelopes operate under the same shipping criteria as the company’s other products. The sizes that are now available are as follows: Envelope for a gift card. 10″ x 7″ in size. A flat rate envelope costs $6.70 and can be mailed. Legal Flat Rate Envelope, 12 1/2 x 9 1/2, mails for $6.70
  • 12 1/2 x 9 1/2. 15 1/2 inches by 9 1/2 inches. Padded Flat Rate Envelope costs $7.00 and can be sent. Mails for $7.25
  • measures 12 1/2 x 9 1/2.
  1. Flat Rate Express boxes and envelopes are more expensive to send than ordinary Flat Rate boxes and envelopes.
  2. If you were to buy a 12 1/2x 9 1/2Express envelope at retail price, it would cost $24.70 to ship it.
  3. The weight restriction has also been reduced from 70 pounds to 20 pounds.
  4. The cost of flat rate boxes is competitive with the pricing of most of the same packages sent by FedEx Ground or UPS Ground.
  1. FedEx’s One Rate boxes have different prices depending on how far away the delivery is, but USPS boxes have the same price no matter where you send inside the United States.

How Flat Rate Works for E-Commerce

  1. There are several advantages to using this shipping technique, the most significant of which is that you do not have to pay for boxes and you have a known delivery cost, which is a significant benefit for any e-commerce firm that includes shipping expenses in its budget.
  2. The availability of free delivery of boxes and other shipping supplies, as well as the ability to pay for postage online, adds another level of ease to the operation’s daily operations.
  3. Commercial Base Pricing, which is available to e-commerce enterprises, provides even cheaper shipping costs than the flat rate, allowing them to compete with their competitors.
  4. These prices are available through online shipping alternatives that have been approved by the United States Postal Service.
  1. The Commercial Plus Pricing option is also accessible to shippers that spend more than $50,000 per year on their business.
  2. There are a variety of shipping savings available, each of which has its own set of conditions for each USPS service.
  3. Flat cost shipping for e-commerce has a number of additional advantages, including priority dispatch and secure delivery.
  4. The United States Postal Agency (USPS) is the only service permitted to deposit parcels in mailboxes.
  5. Mail carriers may also attempt to redeliver bigger parcels rather than leaving them on the doorstep, so guaranteeing that all deliveries reach their destinations in good condition.
  • According to the United States Postal Service (USPS) website, shipping limitations apply.
  • www.stamps.com/usps/priority-mail-flat-rate/ Section1 of the website www.readycloud.com/articles/how-does-usps-flat-rate-shipping-work www.practicalecommerce.com/7-reasons-to-consider-usps-flat-rate-shipping www.usps.com/ship/priority-mail-express.htm Please visit support.shippingeasy.com/hc/en-us/articles/205465166 if you have any questions about commercial base pricing.
  • Support can be found at support.shippingeasy.com/hc/en-us/articles/205465166 if you have any questions about commercial base pricing.

USPS Flat Rate Box Sizes, Prices, and How it Works [Updated with 2021 Rates]- Shippo

Priority Mail Flat Rate boxes from the United States Postal Service are a simple and cost-effective delivery alternative. Knowing the USPS Flat Rate box sizes, costs, and how it works before you buy will allow you to ship like a pro in no time.

How Does USPS Flat Rate Shipping Work?

The Priority Mail Flat Rate service from the United States Postal Service will transport your package anywhere in the United States in 1-3 business days for a flat charge. To ship using this service, simply follow these simple instructions:

  1. Order free Flat Rate boxes from the United States Postal Service. If you want to take advantage of the Flat Rate shipping discount, you must use the branded Flat Rate boxes, which you can buy online or pick up at your local Post Office.
  2. To take advantage of the best USPS Flat Rate shipping costs and to print your labels from the convenience of your office or home, create a free Shippo account.
  3. Bonus! Determine if a USPS Flat Rate box is the most cost-effective shipping option for the things you want to ship, as it is not always the most cost-effective alternative
  4. and

What are the 2021 USPS Flat Rate Box Sizes and Prices?

As you’ll see in the table below, Shippo provides far lower shipping prices than what you’d find at your local post office. There are no minimum volume or coding restrictions. To create a free Shippo account, go to www.goshippo.com/register/ and fill out the required information.

2021 USPS Priority Mail Flat Rate

Shippo vs. Retail Rates
Products Dimensions Shippo Rate Retail Rate Savings Using Shippo vs. Retail % Savings with Shippo
Flat Rate Envelope 12 ½” x 9 ½” $7.40 $7.95 $0.55 7%
Legal Flat Rate Envelope 15” x 9 ½” $7.70 $8.25 $0.55 7%
Padded Flat Rate Envelope 12 ½” x 9 ½” $8.00 $8.55 $0.55 6.5%
Small Flat Rate Box Outside: 8 11/16” x 5 7/16” x 1 ¾” Inside: 8 ⅝” x 5 ⅜” x 1 ⅝” $7.90 $8.45 $0.55 6.5%
Medium Flat Rate Box – 1 (Top-Loading) Outside: 11 ¼” x 8 ¾” x 6” Inside: 11” x 8 ½” x 5 ½” $13.75 $15.50 $1.75 11%
Medium Flat Rate Box – 2 (Side-Loading) Outside: 14” x 12” x 3 ½” Inside: 13 ⅝” x 11 ⅞” x 3 ⅜” $13.75 $15.50 $1.75 11%
Large Flat Rate Boxes Outside: 12 ¼” x 12 ¼” x 6” Inside: 12” x 12” x 5 ½” $19.30 $21.90 $2.60 12%

Is Priority Mail the Same as Flat Rate?

  1. Priority Mail from the United States Postal Service is one of the most popular service tiers the Postal Service offers, and for good reason.
  2. It is cost-effective and includes three widely-used shipping choices: Priority Mail Flat Rate (which we discussed above), Priority Mail weight-based, and Priority Mail Cubic.
  3. Priority Mail Flat Rate is the most cost-effective of the three alternatives.
  4. If you want to ship using Flat Rate, you must utilize the Flat Rate-branded shipping boxes.
  1. Cubic and weight-based choices will need you to utilize your own packing or USPS Priority Mail boxes in order to be effective.

Which is Cheaper: Flat Rate or Priority Mail?

In general, USPS Flat Rate boxes are a wonderful alternative for shipping big things across long distances because of their low cost. The statistics were crunched in order to determine exactly when you should utilize a Flat Rate box and when you should pack your own items and send by USPS Priority Mail weight-based or Cubic instead.

When to Use USPS Flat Rate Envelopes

  • When it comes to cost, USPS Flat Rate Envelopes are usually always the most affordable alternative
  • however, you should use your own envelope for goods that weigh exactly 1 lb and are moving locally.
  • And if your package weighs less than 1 lb., you can use your own envelope and mail it through the United States Postal Service First-Class Package Service.

For the following cases, you should use your own envelope (not a Flat Rate envelope):

Flat Rate Envelope (12 1/2″ x 9 1/2″) – $7.40
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-1 lb. and traveling less than 50 miles (Zone 0,1,2) $7.16 $0.24
Legal Flat Rate Envelope (15″ x 9 1/2″) – $7.70
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-1 lb. and traveling less than 600 miles (Zone 0-4) $7.16 – $7.67 Up To $0.54
Padded Flat Rate Envelope (12 1/2″ x 9 1/2″) – $8.00
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-1 lb. and traveling less than 600 miles (Zone 0-5) $7.16 – $7.88 Up to $0.84
Weighs 2 lbs. and traveling less than 50 miles (Zone 0,1,2) $7.79 $0.21

When to Use USPS Flat Rate Boxes 

  • For packages weighing between 1 and 20 pounds, pick Flat Rate for long journeys and your own box for short routes
  • for items weighing less than 1 pound, use your own box and send via USPS First-Class Package Service.
  • Use a Flat Rate box for shipments weighing more than 20 pounds.

For the following cases, you should use your own box (not a Flat Rate box):

Sm. Flat Rate Box (8 5/8″ x 5 3/8″ x 1 5/8″) – $7.90
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-20 lbs. and traveling less than 600 miles (Zone 0-4) $7.16 – $7.81 Up to $0.74
Med. Flat Rate Box (11 1/4″ x 8 3/4″ x 6″) – $13.75
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-2 lbs. and traveling anywhere except U.S. Territories (Zone 0-8) $7.16 – $11.69 Up to $6.59
Weighs 3-20 lbs. and traveling less than 1400 miles (Zone 0-6) $8.00 – $13.58 Up to $5.75
Lg. Flat Rate Box (12 1/4″ x 12 1/4″ x 6″) – $19.30
Qualifications for Using Own Packaging Cost to Ship Savings
Weighs 0.5-1 lb. and traveling to any U.S. State including Hawaii and Alaska $7.16 – $11.69 Up to $12.14
Weighs 2-4 lbs. and traveling anywhere except U.S. Territories (Zone 0-8) $7.79 – $18.96 Up to $11.51
Weighs 5-20 lbs. and traveling less than 1800 miles (Zone 0-7) $8.20 – $18.08 Up to $11.10

Always remember that the maximum weight is 70 pounds. Furthermore, while sealing a Flat Rate envelope or box, the container flaps must be able to shut inside the regular folds of the envelope or box itself.

Is Priority Mail (Weight-based) or Flat Rate Faster?

Technically speaking, they are all part of the Priority Mail mail stream, which means that they will all ship within 1-3 business days of being placed on the market.

Are There Any Other Restrictions?

When it comes to mailing restricted, forbidden, and dangerous items, such as cigarettes and smokeless tobacco, there are certain restrictions and standards in place to protect the public. Airbags, ammunition, explosives, and fuel are also prohibited from being shipped. For further information, please see the USPS Shipping Restrictions page.

How Do I Get a USPS Priority Mail Flat Rate Label?

  1. It takes only a few minutes to create a free Shippo account, after which you may print the label from the comfort of your own office or warehouse.
  2. Alternatively, you may use our USPS shipping calculator to get a better idea of how much money you can save on USPS shipping prices by using Shippo up front.
  3. Attach the label to the Priority Mail Flat Rate box provided by the United States Postal Service.
  4. You may then either put the package in your mailbox or schedule a pick-up with your local mail carrier using your Shippo dashboard.
  1. Make certain that the label you’re applying corresponds to the box.
  2. In the case of Priority Mail Express Flat Rate boxes, you must use a Priority Mail Express Flat Rate label to ensure that your package is delivered quickly and efficiently.
  3. It is possible that you would be interested in another video that our co-founder Laura Behrens Wu produced with the co-founder of packaging solution firm Lumi on shipping with the United States Postal Service if you like this post.
  4. A multi-carrier API and web application, Shippo enables merchants, marketplaces, and platforms to access a worldwide network of carriers through a single interface.
  5. Shippo is used by businesses to obtain real-time shipping quotes, print labels, automate foreign paperwork, track deliveries, and streamline return shipping procedures.
  • Shippo offers businesses with the tools they need to be successful in the world of e-commerce shipping.
  • The Shippo Corporation’s Senior Marketing Manager, Michelle McNamara, works in the marketing department.

Flat Rate Shipping: What Are USPS Flat Rate Boxes

  1. The shipping prices mentioned in this blog article are those of the United States Postal Service for the year 2021.
  2. Visit our USPS 2022 Shipping Rate Changes: Flat Rate, Priority, First Class, w/Tables blog for the most up-to-date information on current USPS pricing.
  3. Because not all businesses are aware of the many shipping alternatives available, flat rate shipping is a highly underused shipping method.
  4. ″What are USPS Flat Rate boxes?″ is a question we are asked all of the time.
  1. This type of inquiry comes up all of the time: ″What exactly are USPS Flat Rate boxes?″ and ″What exactly is flat rate shipping?″ The purpose of this essay is to provide answers to such queries.
  2. We’ll go over everything from the different box sizes available to how the various flat-rate shipping alternatives may be utilized in conjunction to save money on shipping in order to help you understand the concept of USPS flat rate boxes.

What is USPS Priority Mail® Flat Rate?

  1. You may send packages up to 70 pounds using USPS Priority Mail Flat Fee, which charges a flat rate regardless of the weight or distance traveled.
  2. Consequently, whether your 20-pound cargo is being shipped across town or across the nation, the shipping cost remains constant.
  3. This service type is available for both ordinary Priority Mail shipping and Priority Mail Express shipping, and both include basic tracking as well as up to $50 in insurance, and both generally deliver in 1-3 days depending on location (including Saturday at no additional charge).
  4. So that you don’t have to go to the post office, you may plan pick-ups in advance.
  1. There are a variety of packaging sizes available, which we shall discuss in more detail later.
  2. There is one variant on USPS Flat Rate boxes that is available exclusively online: the Regional Rate option.
  3. This option takes into consideration the distance traveled and has a maximum weight of 15 or 20 pounds depending on the USPS box size you choose.
  4. That will also be covered in greater detail later in this text.
  5. One of the most significant benefits of using a flat-rate package is that you may obtain the shipping supplies from the United States Postal Service for free, and they will deliver your order to your home or workplace at no additional cost.
  • When you utilize ShippingEasy, you’ll also save money on shipping costs through the United States Postal Service.
  • The reductions on normal Priority Mail Flat Rates may be found in the table below.
Priority Mail Flat Rate 2021 Retail Savings
Flat Rate $ 7.40 $ 7.95 7.43%
Legal Flat Rate Envelope $ 7.70 $ 8.25 7.14%
Padded Flat Rate Envelope $ 8.00 $ 8.55 6.88%
Small Flat Rate Box $ 7.90 $ 8.45 6.96%
Medium Flat Rate Box $ 13.75 $ 15.50 12.73%
Large Flat Rate Box $ 19.30 $ 21.90 13.47%
APO/FPO/DPO Large Flat Rate Box $ 17.80 $ 20.40 14.61%
*must use boxes

The next section will discuss the many forms of packaging available to you.

Get the best rates around, even on Priority Mail Flat Rate options. Start your free trial of ShippingEasy now!

What are USPS Priority Mail Flat Rate Boxes?

  1. The main disadvantage, in my opinion, is that you must use USPS-branded boxes in order to take advantage of this delivery option.
  2. A simple brown box or your own branded packaging cannot be used in conjunction with USPS Flat Rate shipment.
  3. When it comes to your company’s branding strategy, employing a free USPS box is a good idea as long as it is not critical.
  4. The contents must also be able to fit comfortably into the Priority Mail boxes provided by the United States Postal Service without bulging.
  1. Increased advantage from using the different USPS Flat Rate boxes grows in direct proportion to the weight of your shipment or the distance traveled by the package.
  2. Let’s take a look at the several types of USPS Flat Rate packaging that are available for usage and how each of them might benefit your company.

USPS Priority Mail Flat Rate Envelopes

For USPS Flat Rate mailing, three different types of envelopes are available to choose from. One kind provides far greater protection than another.

USPS Flat Rate Envelope Sizes

  • Priority Mail Flat Rate Envelope: 12 12″ (L) x 9 12″ (W)
  • Priority Mail Flat Rate Legal Envelope: 15″ (L) x 9 12″ (W)
  • Priority Mail Flat Rate Padded Envelope: 9 12″ (L) x 12 12″ (W)
  • Priority Mail Flat Rate Padded Envelope: 9 12″ (L) x 12 12″ (W)
  • Priority Mail Flat Rate Padded Envelope: 9 12″ (L)

All of the items listed above are also available through the Priority Mail Flat Rate Express service. Suitable for paperwork, tickets, art, jewelry and other non-bulky objects, these envelopes are a great choice. With the exception of a few cases of Zones that are quite close together, these envelopes will almost certainly save you money over weight-based Priority Mail shipping choices.

USPS Priority Mail Flat Rate Small Box

The USPS Priority Mail Flat Rate Small Box is a wonderful alternative for smaller products, particularly small dense/heavy items, that won’t fit in an envelope. The Flat Rate Small Box has the following dimensions: see below for further information.

USPS Flat Rate Box Sizes – Small

  • Using a Priority Mail Flat Rate Small Box is an excellent choice for smaller products, particularly small dense/heavy items, that won’t fit in an envelope. The Flat Rate Small Box has the following dimensions:
  1. For those of us who remember what DVDs are, the USPS characterizes the package size as being approximately the same as three stacked DVD cases.
  2. The boxes include self-adhesive flaps that must be able to seal completely in order for the boxes to be considered complete.
  3. In this case, the contents of the box are not allowed to bulge the flaps and must fit completely inside the box.
  4. That will be the rule for all of the boxes we will be discussing in this section of the book.
  1. This style of box is ideal for storing bulkier items such as jewelry, vape supplies, tiny devices, and more.
  2. Example: Our customer Furls Crochet utilizes Flat Rate Small Boxes to transport their bespoke crochet and knitting needle orders to customers throughout the world.

USPS Priority Mail Flat Rate Medium Box

One significant difference between the Small Boxes and the USPS Flat Rate Medium Boxes is that there are two variants of the Medium Boxes. Medium Boxes are available in two configurations: a side-loading variant that is a little narrower, and a top-loading version that has a little more inside room. These two variations can be useful in better fitting a variety of product sizes and shapes.

USPS Flat Rate Box Sizes – Medium

  • The following are the specifications for the USPS Flat Rate Medium Box-1 (top-loading): Outside dimensions are 11 1/4′′ x 8 3/4′′ x 6′′
  • inside dimensions are 11′′ x 8 1/2′′ x 5 1/2′′.
  • Specifications for the USPS Flat Rate Medium Box-2 (side-loading): Outside dimensions are 14′′ x 12′′ x 3 1/2′′
  • inside dimensions are 13 5/8′′ x 11 7/8′′ x 3 3/8′′.
  1. The differences between the two may be seen in the table below.
  2. Although the sorts of things that would readily fit inside these two boxes differ greatly, they both cost the same amount to ship, as you can see in the table above.
  3. Box 1 might be used to transport shoes if the recipient prefers.
  4. In the case of our E-commerce Seller’s Guide to Shipping Rate Changes, for example, Box 2 is the container in which we distribute hundreds of printed copies to our business partners.
  1. Also, as you reach this package size, it becomes more important to evaluate the cost of shipping vs the cost of shipping depending on weight.
  2. According on the weight and destination of the package, there are several circumstances in which the latter is nevertheless less expensive than flat-rate delivery.

USPS Priority Mail Flat Rate Large Box

  1. When you’re delivering larger, heavier products, the USPS Flat Rate Large Box is a great deal because of its low cost.
  2. When shipping products weighing more than 25 pounds to most Zones, you’ll find that this technique is less expensive than weight-based solutions.
  3. Depending on the weight of the package, shipping it via USPS Flat Rate Large Boxes will likely be less expensive than shipping it via regular mail.
  4. These crates might be used to carry larger electrical items such as computers and laptops, just to give you an idea of scale.

USPS Flat Rate Box Sizes – Large

  • Outside: 12 1/4″ x 12 1/4″ x 6″
  • Inside: 12″ x 12″ x 5 1/2″
  1. One advantage of adopting a platform such as ShippingEasy is that you can create rules for allocating shipping options, which may be quite useful.
  2. To automate the selection of the most appropriate service depending on the weight and distance traveled by your larger products, you may configure rules to pick either the United States Postal Service Flat Rate Large Box service or the United States Postal Service Priority Mail service.

USPS Priority Mail APO/FPO/DPO Large Flat Rate Box

This package type is particularly designed for the delivery of commodities to troops and military personnel stationed in foreign territories. However, it is identical in size and shape to the USPS Flat Cost Large Box, and it contains a statement of support for military personnel as well as a reduced postage rate for the shipping service.

USPS Flat Rate Box Sizes – APO/FPO/DPO

  • Outside: 12 1/4″ x 12 1/4″ x 6″
  • Inside: 12″ x 12″ x 5 1/2″

It is possible to load it with acceptable things that are up to the same weight restriction of 70 pounds because of the package’s size and shape. Shipping products to loved ones in other countries may be expensive, but our flat-rate shipping option makes it much easier to send items to them.

What is USPS Regional Rate shipping?

  1. The USPS Regional Fee is a shipping method that charges a flat rate for packages weighing up to 15 or 20 pounds, depending on which of the two box types you choose to ship with.
  2. However, the difference between this delivery method and the USPS Priority Mail Flat Rate is that it still takes into consideration the distance traveled.
  3. Comparing Regional Rate to conventional Priority Mail weight-based techniques and other Priority Mail Flat Rate services, there are instances when it will outperform and others when it will fall short of meeting expectations.
  4. When it does come out on top, the savings may be significant, so it is worthwhile to do the comparison.
  1. Comparing Regional Rate Box A to Medium and Large Flat Rate Boxes, for example, you will see that Box A outperforms the latter in practically every zone (up to 15 pounds, as that is the limit for Regional Rate Box A).
  2. Compared to Medium and Large Flat Rate Boxes up to 20 pounds, Regional Rate Box B wins in Zones 1-5, while Medium Flat Rate wins in Zones 6-7, and Large Flat Rate wins in Zones 8-9 when comparing Regional Rate Box B and Medium & Large Flat Rate Boxes.
  3. There are two distinct variants of the Regional Rate Shipping Boxes for both A and B sizes, similar to how there are two different versions of the USPS Priority Mail Medium Flat Rate Boxes.

USPS Priority Mail Regional Rate Box A1 and A2

Specifications for Priority Mail Regional Rate A1 from the United States Postal Service: Outside dimensions: 10 18″ (L) x 7 18″ (W) x 5″ (H)

Inside Dimensions: 10″ (L) x 7″ (W) x 4 34″ (H)

Specifications for Priority Mail Regional Rate A2 from the United States Postal Service: Outside dimensions are 11 1/16″ (L) x 2 12″ (W) x 13 1/16″ (H) (H)

Inside dimensions are 12 15/16″ (L) x 2 3/8″ (W) x 12 13/16″ (H) (H)

USPS Priority Mail Regional Rate Box B1 and B2

  • Specifications for Priority Mail Regional Rate B1 from the United States Postal Service: Outside dimensions are 12 14″ (L) x 10 12″ (W) x 5 12″ (H)
  • inside dimensions are 12 18″ (L) x 10 3/8″ (W) x 5 14″ (H).
  • Specifications for Priority Mail Regional Rate B2 from the United States Postal Service: Outside dimensions are 14 12″ (L) x 3″ (W) x 16 14″ (H)
  • inside dimensions are 14 3/8″ (L) x 2 7/8″ (W) x 15 7/8″ (H).

When Should You Use Flat Rate Shipping?

  1. As we’ve noted a few times throughout this article, there is no ″one-size-fits-all″ solution when it comes to shipping cost possibilities.
  2. There are situations when one procedure will be significantly less expensive than another—in some cases by a significant margin.
  3. Because of this, we recommend that you take advantage of our 30-day free ShippingEasy trial, which allows you to conveniently compare costs by carrier and service on a single page.

Will I Get A Shipping Label with a USPS Tracking Number?

  1. Because these flat rate shipping alternatives are provided by the United States Postal Service (USPS Priority Mail), they are eligible for all of the advantages.
  2. Printing a flat-rate mailing label includes the usual USPS tracking that is included with Priority Mail and Priority Mail Express shipment options.
  3. The tracking number may be delivered to your client instantly when you utilize ShippingEasy, making shipment tracking simple and efficient for your customers.
  4. Our Branded Tracking feature allows you to keep your clients in a customized environment (emails, SMS updates and a branded landing page) while they track a shipment, rather than directing them to a carrier’s website to acquire package updates.
  1. This is true not only for USPS tracking, but also for UPS, FedEx, and DHL tracking.

Do Other Carriers Offer Flat Rate Shipping?

  • They do, and we just so happened to produce the most comprehensive guide available at the time. To obtain a free copy of The E-commerce Handbook, please click here. It includes all parcel services offered by the United States Postal Service, UPS, and FedEx, and breaks down the benefits of using which service in which circumstances. It also goes into greater depth on flat-rate shipping than we have in this article. Seller’s Guide to Flat-Rate Shipping is available for purchase here. Our newly updated guide includes shipping costs for 2021 as well as figures that help you understand the volume variations between the packing options available for flat-rate shipping from the USPS, FedEx, and UPS. Get the User’s Guide The following two tabs alter the content of the section below. Bio
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I’m a digital content and social media nerd that has a passion for sharing tales, assisting in the connection of people, and finding joy in the small things.

Priority Mail

  • Due to the current COVID-19 issue, certain items may take longer to arrive than normal. Please be patient. The next-day delivery of Priority Mail Express is unaffected. Learn More Delivery between 1-3 business days is possible. 1
  • Complimentary Package Pickup 3 service at your residence or place of business
  • Most packages come with USPS Tracking®4 as well as up to $50 in insurance5.
  • 6 (with some limitations)
  • There are no fuel costs, no rural or resident delivery surcharges, and no Saturday delivery surcharges.
  • Pricing options include flat rate, regional, and prepaid pricing (offered only to retail customers)
  • Prepaid Priority Mail at a Flat Rate for Life. Priority Mail costs are determined by weight and zone, with the exception of Priority Mail Flat Rate packaging. Priority Mail Flat Rate with Prepaid Forever Postage gives you the same low flat rate price as before, but with the added convenience of Forever postage.
  • Price Files may be seen here. Calculate the Cost of a Product See Insurance & Additional Services for further information. The maximum allowable weight is 70 lbs.
  • Combining the maximum length and girth (girth is the distance around the thickest section of the animal) is 108 inches
  • When sealing a Flat Rate Envelope or Box, the container flaps must be able to close inside the regular folds of the envelope or box
  • otherwise, the seal will fail.
  • What to Do When Preparing a Package When it comes to mailing restricted, forbidden, and dangerous items, such as cigarettes and smokeless tobacco, there are certain restrictions and standards in place to protect the public. Packages shipped to a Military Post Office (APO/FPO/DPO) will be charged domestic rates, but these destinations will require you to fill out customs forms and will be subject to additional restrictions. The United States Postal Service understands the priorities of our business customers, which include speed, affordability, security, and customer service. Providing these services and resources at a discounted rate to your customers is something we assist businesses with. Priority Mail Regional Rate® is a low-cost shipping option for commercial and online customers who regularly ship small, dense packages over short distances and who use the Priority Mail® service for their shipping needs. Get the speed and convenience of Flat Rate shipping, as well as regional pricing, to help you save money on shipping expenses. Order free Regional Rate Boxes A and B from the comfort of your own home. (Please note that Regional Rate Box C has been phased out.)
  • Choose from two different box sizes to accommodate the item you’re sending.
  • When you use Priority Mail Open & Distribute®, you may expedite the delivery of your large-volume mail (PMOD). After placing their things in an approved USPS container and shipping them to an allowed location, customers may expect their items to be delivered to their ultimate destinations by USPS after the container has been opened. Prices are commercial rates based on weight and zone to ensure that your mailings are delivered swiftly and at a fair cost
  • and
  • Mailings feature a specific barcoded label, which allows you to trace your shipments more easily.
  • Priority Mail Open & Distribute Shipping for Business
  • Business Price Calculator
  • Commercial Price List
  • Priority Mail Open & Distribute Shipping for Consumers
  1. The projected delivery date shown on your receipt or supplied at checkout will typically indicate a delivery time of 1, 2, or 3 business days and will be depending on the origin, destination, and drop-off time of your order.
  2. No money

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