# How Many Numbers In A Zip Code?

United States ZIP codes are five numerical digits long. ZIP+4 codes, also known as add-on or plus-four codes, include four additional digits that identify a geographic segment within a ZIP code delivery area.United States ZIP codes are five numerical digitsnumerical digits Numerical digits are the number text characters used to show numerals. For example, the numeral ’56’ has two digits: 5 and 6. In the decimal system (which is base 10), each digit is how many of a certain power of 10 are needed to get the value. https://simple.wikipedia.org › wiki › Numerical_digit long. ZIP+4 codes, also known as add-on or plus-four codes, include four additional digits that identify a geographic segment within a ZIP code delivery area.
– The 9-digit ZIP Code consists of two sections. – The first five digits indicate the destination post office or delivery area. – The last 4 digits represent specific delivery routes within delivery areas. – ZIP plus 4 codes assist the USPS in effectively sorting and distributing mail.

## What do the numbers in a ZIP code mean?

The ZIP Code was introduced in 1963. The first number represents a general geographic area of the nation, “0” in the East moving to “9” in the West. The next two numbers indicate regional areas and the final two, specific Post Offices or postal zones in larger cities.

## How many digits are there in a US Postal Code?

The U.S. Postal Service actually uses an eleven digit system, but that is only used inside the Postal Service – you don’t have to know it or use it. 5 digits is all you need. Most countries seem to use a 6 character system that is a combination of letters and numbers. A postal code may not just contain digits.

## How many alphanumeric characters are in a ZIP code?

There are only 10 numeric digits, while there are 36 alphanumeric characters. Five numeric digits will give you only 99,999 zip codes, while five alphanumeric characters give you over 60 million postal codes, which is more than enough to identify a small stretch of every street in the UK.

## When did the 5 digit ZIP code come out?

In 1983, an extended ZIP+4 code was introduced; it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.

## Do all ZIP codes have 5 digits?

U.S. ZIP Codes are always five digits long. These 3 and 4 digit numbers actually begin with one or two zeros. For example, when you see ‘501’ for Holtsville, it’s really 00501. As a default, Excel converts this column into a number and removes the leading zeros.

## How many characters are in a ZIP Code?

The most complete ZIP Code is a nine-digit number consisting of five digits, a hyphen, and four digits, which the USPS describes by its trademark ZIP+4. The correct format for a numeric ZIP+4 code is five digits, a hyphen, and four digits.

## What is the maximum length of ZIP Code in USA?

In the USA, Zip Codes have up to eleven digits. Since they are used only for delivery in the USA, other places in the universe do not affect how many digits are used here.

## What is the ZIP code of Florida?

Looking for a list of cities, counties or zips in Florida?

Rank Zip Code Population
2 33311 76,073
3 33023 73,973
4 33012 73,828
5 33025 73,428

## Are there any 4 digit zip codes in the US?

ZIP+4 Codes (ZIP Plus 4 Codes) are 4-digit codes added to 5-digit USPS ZIP Codes. The first five digits indicate the national area and destination post office / delivery area. The last 4 digits represent specific routes within delivery areas.

## What country has the longest ZIP code?

2 What is the longest postcode in the world? The longest postcodes in the world belong to Iran (Islamic Rep.) and the United States of America. Postcodes in Iran consist of 10 digits below the locality name.

## What is the largest ZIP code?

The Most Spacious: 89049 (map)

This rural area in Tonopah, Nev., has the largest ZIP code in the lower 48 states. At 10,000 square miles, it’s a little larger than the state of Maryland.

## What is the ZIP code of California?

Zip Code List Zip Code – 902 in California

Zip Code City County
90202 Bell Gardens Los Angeles County
90209 Beverly Hills Los Angeles County
90210 Beverly Hills Los Angeles County
90211 Beverly Hills Los Angeles County

## Which country has no ZIP Code?

List of countries without postal codes

• Angola: No postal code used.
• Antigua and Barbuda: No postal code used.
• Aruba: No postal code used.
• Bahamas: No postal code used.
• Belize: No postal code used.
• Benin: No postal code used.
• Botswana: No postal code used.
• Burkina Faso: No postal code used.
• ## What is the shortest postal code?

The lowest ZIP Code number is 00501, unique for the Internal Revenue Service in Holtsville, NY.

## How long will a letter take from ZIP Code to ZIP Code?

Standard Mail Delivery Time From Zip Code To Zip Code

Generally speaking, standard mail takes around 3 to 4 days for it to be delivered, priority mail takes 1 to 3 days, and priority express mail takes 1 to 2 days.

## How many Florida zip codes are there?

Florida has a total of 961 active zip codes.

3 = Alabama (AL), Florida (FL), Georgia (GA), Mississippi (MS), Tennessee (TN), APO Americas (AA), FPO Americas (AA) 4 = Indiana (IN), Kentucky (KY), Michigan (MI), Ohio (OH) 5 = Iowa (IA), Minnesota (MN), Montana (MT), North Dakota (ND), South Dakota (SD), Wisconsin (WI)

## What is the zip code for Alaska?

Zip Code City County
99501 Anchorage Anchorage County
99517 Anchorage Anchorage County
99611 Kenai Kenai Peninsula County
99712 Fairbanks Fairbanks North Star County

## What are the last 4 numbers after the ZIP code?

ZIP+4 Codes (or ZIP Plus 4 Codes) are the final 4 digits of a full nine-digit ZIP Code. The 9-digit ZIP Code consists of two sections. The first five digits indicate the destination post office or delivery area. The last 4 digits represent specific delivery routes within delivery areas.

## What state has the most ZIP codes?

Zip Code City County Population ; 77449: Katy: Harris County: 128,294: 77494: Katy: Fort Bend County: 118,291: 11368: Corona: Queens County: 112,088: 79936: El Paso: El Paso County: 111,620: 90011: Los Angeles: Los Angeles County: 111,165: 60629: Chicago: Cook County: 110,029: 75034: Frisco: Collin County: 108,525: 11385: Ridgewood: Queens County: 107,796: 77084: Houston: Harris County: 107,673: 91331: Pacoima

## How many digits are in an USA ZIP code?

ZIP Codes are postal codes used exclusively in the United States, and the basic format consists of five digits. Between 1963 and 1983, only five digits were used, but since 1983, an extended ZIP+4 code has been in use that includes the five digits of the ZIP Code followed by a hyphen and four digits that designate a more specific location.

## 41,692 ZIP Codes – U.S. Postal Facts

1. There are a total of 41,683 ZIP Codes in the United States.
2. The ZIP Codes run from 00501 in Holtsville, New York, which belongs to the Internal Revenue Service, to 99950 in Ketchikan, Alaska.
3. Which one is the simplest to recall?
4. 12345 is an unusual ZIP Code for General Electric, which is located in Schenectady, New York.
5. Quick!
1. What is the ZIP Code for this location?
2. The United States Postal Service (USPS) created the ZIP Code in 1963.
3. The first number reflects a basic geographic region of the country, with ″0″ representing the eastern hemisphere and ″9″ representing the western hemisphere.
4. After that, the following two digits designate regional districts, while the next two numbers designate particular Post Offices or postal zones in big metropolitan areas.
5. By using an international postal code (ZIP+4), which was first used in 1983, mail may be sorted to particular addresses such as specific streets, buildings, residences, and companies.
1. ZIP Codes are now critical components of the United States’ 911 emergency response system.
2. ZIP is an abbreviation for Zone or Zoning Improvement Plan.
3. Trademarks Trademarks The United States Postal Service has a large number of trademarks, including the Eagle Logo, the trade dress of USPS packaging, the Letter Carrier Uniform, the Postal Truck, and the following marks: Forever®, Global Express Guaranteed®, IMb®, Informed Delivery®, Intelligent Mail®, Label BrokerTM, Parcel Select®, Post Office®, Pony Express®, Postal Inspection ServiceTM, PostalOne!®, PostalPolice®, PostalProud®, Priority Mail Express International®, Priority Mail Flat Rate®, Priority Mail International Service®, Priority Mail Intenational Service®, Priority Mail International Service®, Priority Mail International Service, Priority This is not an exhaustive list of all trademarks owned by the United States Postal Service.
4. Dollar General®, Forest Stewardship Council®, McDonald’s®, National Dog Bite Prevention Week®, Starbucks®, Subway®, Sustainable Forestry Initiative®, The Climate Registry® are examples of non-postal trademarks.
1. Postal Facts 2022 is a website that gives information on the United States Postal Service to the general public.
2. Unless otherwise stated, the facts included in this publication may be reproduced solely for the purpose of expressing the fact in its entirety, as well as in a business, informational, or academic context, and in the body of text discussing factual subject matter related to the fact being presented.
3. However, these data may become out of date after they have been published, thus it is recommended that you acquire the most recent information.
4. Produced by Corporate Communications for the United States Postal Service The United States Postal Service is scheduled to shut in 2022.
• All intellectual property rights are retained.
• The United States Postal Service will operate from 2016 through 2022.
• All intellectual property rights are retained.

## How many number are in a ZIP code?

1. There are 5 digits in the ZIP code, plus a ″ZIP + 4 + 2,″ for a total of 11 digits in the ZIP code.
2. To be clear, every street address has a specified ZIP+4 code assigned by the United States Postal Service, which assists the USPS in providing efficient mail sorting and delivery.
3. The eleven-digit number described above is exclusively used for barcodes on bulk mail, and it is not utilized for anything else.
4. It consists of eleven numerals that are used to identify a drop point in a concise manner.
5. However, twelve digits are required in order to fully comply with the standards of the United States Postal Service bulk mail barcode system.
1. The first eleven pictures portray three different groups: The delivery zone is the initial step (first five numbers) 2.
2. The geographical area contained inside the zone (+4) The specific location of the mail drop (+2, the delivery point (DP), or the final two numbers of a mailbox or flat) are also required.
3. The twelfth and last number in the barcode string is referred to as a ″check″ digit, and it is utilized by the United States Postal Service to identify problems.
4. It is computed by adding up the eleven digits and subtracting the final digit of the result from the number ten.
5. Just to give you an example, when you sum up the 11 digits linked with the firm where I work, the total comes to 34.
1. Because 4 is the final digit in that number, I remove it from 10 to arrive at our check number, which is 6.
2. An address validation system that searches the United States Postal Service’s ZIP+4 database is the only way to obtain reliable 9-digit ZIP codes and generate 12-digit bar codes, according to the company.

## ZIP Codes 101 – What Is a ZIP Code & How to Find It

1. The ″ZIP″ in ZIP Code stands for ″Zone Improvement Plan,″ which is an acronym for ″Zone Improvement Plan.″ A ZIP Code identifies the post office or delivery region to which a letter will be delivered after it has been finalized and sorted for final delivery.
2. ZIP Codes are used to define delivery routes used by mail carriers, as well as locations served by the United States Postal Service.

## What Is My ZIP Code?

We make it simple to do a ZIP Code lookup for the United States Postal Service. Choose one of the options listed below.

Enter an address to see the specific ZIP Code +4. Enter a city and state to see the ZIP Codes for that city. Enter a ZIP Code and see the city or cities it covers.
ZIP Code by Address ZIP Code by City & State Find Cities by ZIP Code
• What is a ZIP Code and how do they function?
• What is the meaning of a ZIP Code and how do they work?
• Instructions on How to Read a ZIP Code
• ZIP Codes are lines, not shapes, as the name implies.
• ZIP+4 Codes are used in the United States.

## What is a ZIP Code and how do they work?

1. Postal ZIP Codes (ZIP Codes) are five-digit identifiers created by the United States Postal Service to identify particular post offices throughout the United States.
2. A ZIP Code is just the abbreviation for the postal code system used in the United States of America.
3. Most nations, including the United States, have their own names for their postal code systems.
4. For example, the Indian government refers to its system as ″Postal Index Numbers.″ Postal Routing Numbers are what the Czech Republic refers to as their system.
5. As a result, when you hear the term ″ZIP Code,″ think ″United States.″ The 5-digit ZIP Code is divided into three parts: the national area, the region or city, and the delivery area.
1. The national area is the first component of the ZIP Code, followed by the region or city and the delivery area.
2. The United States Postal Service (USPS) has divided the country into ten ZIP Code zones, each with its own post office.
3. They are numbered 0-9.
4. They begin in the northeast and work their way west.
5. The territory covered by each ZIP Code is depicted on the map below: The following is how the first digit of the ZIP Code is assigned:
ZIP Codes Beginning With States
0 Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, Puerto Rico, Rhode Island, Vermont, Virgin Islands, Army Post Office Europe, Fleet Post Office Europe
1 Delaware, New York, Pennsylvania
2 District of Columbia, Maryland, North Carolina, South Carolina, Virginia, West Virginia
3 Alabama, Florida, Georgia, Mississippi, Tennessee, Army Post Office Americas, Fleet Post Office Americas
4 Indiana, Kentucky, Michigan, Ohio
5 Iowa, Minnesota, Montana, North Dakota, South Dakota, Wisconsin
7 Arkansas, Louisiana, Oklahoma, Texas
9 Alaska, American Samoa, California, Guam, Hawaii, Marshall Islands, Federated States of Micronesia, Northern Mariana Islands, Oregon, Palau, Washington, Army Post Office Pacific, Fleet Post Office Pacific

## How to Read a ZIP Code

1. Following the assignment of the first number in a ZIP Code, the United States Postal Service (USPS) assigns the next two digits based on the location of the city.
2. If an area has a major town or city, the United States Postal Service (USPS) would frequently award it the first ZIP Codes.
3. Following that, the ZIP Codes will be shown in alphabetical order.
4. The first three digits of a ZIP Code, when added together, often indicate the sectional center facility to which that ZIP Code belongs, according to most sources.
5. This facility serves as the mail sorting and distribution hub for a certain zone or geographic area or region.
1. Some divisional center facilities have numerous three-digit codes given to them, which makes it difficult to locate them.
2. For example, the Northern Virginia sectional center facility in Merrifield is issued ZIP Codes that begin with the numbers 220, 221, 222, and 223 to distinguish it from other similar facilities.
3. The fourth and fifth digits of the ZIP Code show the geographical location of the city or municipality.
4. For example, if a letter is received with a ZIP Code of 47722, the United States Postal Service (USPS) can determine that it is in Indiana (4), Vanderburgh county (77), and the region around the University of Evansville (22)

## ZIP Codes are Lines, Not Shapes

• ZIP Codes are not assigned based on geographic boundaries such as state borders. In truth, because ZIP Codes are intended only for the purpose of increasing postal efficiency, they may and do transcend county and state lines. As an illustration: 42223 encompasses Christian County, Kentucky, and Montgomery County, Tennessee
• 97635 contains sections of Lake County, Oregon, and Modoc County, California
• 51023 and 51001 are located in both Iowa and Nebraska
• and 42223 spans Christian County, Kentucky, and Montgomery County, Tennessee.
1. ZIP Codes do not represent physical areas; instead, they identify address groupings or delivery routes.
2. Although most ZIP Codes may be loosely allocated to a geographic location, ZIP Codes do not represent geographic regions.
3. As a result, ZIP Code ″areas″ might overlap with one another, be included within another ZIP Code, or have no geographical boundaries at all.
4. For example, ZIP Codes that begin with 095 are issued to the Navy and do not correspond to a specific geographic place as a result.
5. Similarly, ZIP Codes are not allocated to locations that do not have regular postal routes (rural route regions) or areas that do not get mail delivery (undeveloped areas).
1. Because they are based on few delivery routes, the boundary between ZIP Code zones is indeterminate in certain places.
2. See our guidelines on how to locate a county by ZIP Code for further information.
3. Whenever a ZIP Code crosses across a county boundary, Smarty (previously SmartyStreets) displays the default county in the line called ‘County Name’ and includes an additional line named ‘Alternate Counties’ in the table.

## ZIP+4 Codes

1. The United States Postal Service (USPS) modified its ZIP Code system in 1983 to incorporate the new ZIP+4.
2. A ZIP+4 Code is made up of the original five-digit code plus four more digits, resulting in a complete nine-digit postal code.
3. With the whole ZIP Code, you may identify any tiny delivery segment, such as a street, a city block, a group of flats, or even a single address, which gets a large amount of mail.
4. Using a ZIP+4 Code is not essential, as it is often computed automatically during the sorting and processing of the mail.
5. ZIP+4 Codes are formatted as follows: As a general rule, each Post Office Box is assigned a unique ZIP+4 code.
1. With a +4 on the ZIP Code, the last four digits of the box number are frequently used, as is zero plus the final three digits of the box number, or if the box number is less than four digit, zeros followed by the box number.
2. Because of this variation, the ZIP+4 Code for each Post Office Box must be searched up individually.
3. Not all USPS deliverable addresses have a ZIP+4 code allocated to them, despite the fact that the majority of them do.
4. For some addresses, geocoding lookups or address validation that need a ZIP+4 may not be successful, depending on the address type.
5. While the United States Postal Service may not be able to offer correct geocodes for such addresses, Smarty can still provide roof-top level geocodes for the majority of addresses in the United States.
1. By experimenting with the Smarty US ZIP Code API or reading our ZIP Code API documentation, you can discover further possibilities.

## ZIP Code Overview

### The Importance Of ZIP Codes

1. In the United States, ZIP code information is essential for conducting commercial activities.
2. Whether you’re delivering mail, handling fraud detection, or studying demographic information, this is a vital parameter to know.

### The American ZIP Code System (USPS)

1. The ZIP code’s primary function is to expedite and streamline the processing of information.
2. Processing delays may occur as a consequence of typographical errors in ZIP codes.
3. The United States Postal Service is the ultimate source for gaining an in-depth grasp of the ZIP code encoding system.
4. Hopefully, this extensive FAQ resource will be of use.
5. What you’ll see is that every digit contained within a ZIP code has significance when considered as part of a systematic strategy.

### ZIP & ZIP+4

1. ZIP codes in the United States are composed of five number digits.
2. In addition to being known as ZIP+4 codes, they are sometimes referred to as add-on or plus-four codes since they feature four additional digits that define a geographic section inside a ZIP code delivery region.
3. The first number of a ZIP code denotes a specific set of states in the United States.
4. Each of the group’s second and third numbers represents a territory, such as a significant city, inside that group.
5. It is just necessary to know the first five digits of the ZIP code in order to send mail.
1. Including the complete ZIP+4 code, on the other hand, can shorten delivery times owing to the particular geographic information being conveyed.
2. ZIP codes are converted into barcodes, which allow for the automatic sorting of mail, hence reducing the amount of human monitoring that is required in the process.

## History Of The ZIP Code

1. The ZIP code system was established during a period of economic boom in the United States of America.
2. Due to a quick increase in population as well as a burgeoning in commercial activity following the first and second World Wars, it developed out of necessity.
3. During this time period, existing postal delivery methods began to fail as a result of the requirement for information to move across the whole United States continent more quickly than previously.
4. A new system was developed in response to this, and it was officially deployed in 1963 following a 20-year development process by Robert Moon, who spent his entire career working for the United States Postal Service (USPS).
5. A specified numerical system was used instead of a less organized recall of well-known cities, counties, and states in order to operate this system.
1. This transition from a more informal and personal method of managing mail to one that was more defined and ordered sparked criticism and a 20-year battle.
2. At the time of Moon’s death in 2001, he was credited with the development of the first three digits of the United States ZIP code.
3. By 1967, ZIP codes were used to identify all mail delivered in the United States.
4. This period in history saw the United States Postal Service responsible for transporting 80 billion pieces of mail, an increase from the previous peak of 30 billion during World War II.
5. Meanwhile, a new world of transportation was emerging, characterized by the use of trucks and airplanes, which were capable of transporting commodities more effectively than traditional train systems.
1. As time went on, ZIP codes grew to serve a greater number of functions in American culture and society.
2. When it comes to the United States Census, for example, ZIP codes are used to categorize demographic information, which includes but is not limited to educational attainment, family income, household size, and other population health indicators, among other things.
3. ZIP codes are used by financial institutions such as banks, insurance providers, and credit card firms to determine interest rates.
4. Zip codes are also employed in online purchasing applications, particularly in the areas of fraud detection and prevention, as previously mentioned.
1. ZIP codes are essential for knowing the demographic features of the United States as well as conducting business inside the country.

## ZIP Codes In Global Perspective

It is a member country of the Universal Postal Union that the United States belongs to (UPU). In order to promote the free interchange of worldwide mail, the United Nations Postal Union (UPU) relies on postal code standards created and maintained by the United States of America.

#### The United Nations Regulatory Body

1. The United Nations’ regulatory authority, the United Nations Population Fund (UPU), is reliant on member countries like the United States for funds, insights, and scientific leadership.
2. Using Geographic Information Systems (GIS) technology from the United States, the Universal Postal Union has been able to construct new postal systems in developing countries from the ground up in recent years.
3. A second function of the UPU is to act as a mediator in conflicts arising in a complicated global trade environment.
4. The United States, with its ZIP code system and expertise, is one of the most generous donors to the United Nations Population Fund (UPU).
5. Therefore, it is critical for technologists who deal with ZIP code data to realize that postal code systems have far-reaching geopolitical relevance as problem-solving tools, and that this understanding should be communicated to them.

1. There are two different systems of postal codes in use in Canada and the United States.
2. For starters, ZIP codes are unique to the United States and are maintained by the United States Postal Service (USPS).
3. When it comes to postal codes in Canada, they are administered by Canada Post, which is the country’s mail delivery agency.
4. Canada, like the United States, has one of the most well-defined postal code systems in the world, which is similar to the United States.
5. During the 1950s and 1960s, the country had a population boom, which coincided with the development of this system.
1. This was the initial postal code, which was a three-digit system that was later expanded to a six-digit system starting in 1969.
2. It is known as a forward sortation area (FSA) in the first three digits of the number, and it corresponds to a geographical location such as a province or territory.
3. The second set of three digits relates to a local delivery unit (LDU), which is a collection of addresses that is described by the first set of three digits.
4. Postal sorting, automation, and the administration of demographic data have all been facilitated by the use of postcodes in Canada, which are analogous to ZIP codes in the United States for mail distribution.
5. Because of the combination of our worldwide datasets and best-in-class technology, Loqate assists businesses all over the world in verifying client addresses.
1. Using our simple to integrate API, our customers may validate customer data right at the moment of collection.

## Why Are There 3 and 4 Digit ZIP Codes in the United States?

1. August 21st, 2012 When you view our ZIP Code Database in MICROSOFT EXCEL, you’ll see that the ZIP Code column contains 3 and 4 digit digits, respectively.
2. ZIP Codes in the United States are always five digits in length.
3. These three and four-digit integers are really preceded by one or two zeros.
4. For example, when you see the number ″501″ for Holtsville, it is actually the number 00501.
5. Excel, by default, transforms this column into a number and eliminates the leading zeros from the beginning.
1. Fortunately, there is a quick and simple method of restoring what has been lost.
2. 1.
3. The first thing you should do is select the complete ZIP Code field and press Enter.
4. This may be accomplished by selecting the letter ″A″ located above the text ″ZipCode.″ The column will change color to a light blue tint.
5. 2.
1. Select any location in the ZipCode column by using the right mouse button on your computer.
2. Then select ″Format Cells″ from the drop-down menu.
3. 3.
4. Afterwards, choose ″Special″ from the ″Number″ column, and ensure that the ″Type″ field is set to ″Zip Code.″ 4.
1. When you’re finished, click on ″OK″ at the bottom of the page.
2. That’s all there is to it!
3. Now that all of the leading zeros have been restored, the ZIP Code has been expanded to five digits.

## Domestic Mail Manual A010 Standard Addressing Formats

ARCHIVED DMM

Summary A010 defines the items that must be included in a full address, as well as the correct arrangement of the delivery and return addresses. It also establishes rules for addressing military mail, periodicals, and the use of a return address for all of these items.

#### 1.0 Address Content and Placement

The delivery address identifies the location to which a mailpiece will be delivered by the United States Postal Service. Except in the case of mail prepared with attached address labels under A060, the piece must include the address of the intended recipient, visible and readable, only on the side of the piece bearing the postage that is visible and legible.

1. All mail that does not have a simplified address under A020 must have a delivery address that includes at least the following items, which must be included in the following sequence from the first line: a.
2. The name or other identifying information of the intended recipient.
3. ″PMB″ or an optional ″ ″), as well as the mailbox’s address and phone number c.
4. The street and the house number.
5. Include the apartment number, or use the post office box number, general delivery address, rural route designation and box number, or highway contract route designation and box number, if appropriate.
1. d.
2. The city and the state.
3. (The city can be any appropriate mailing name provided for the 5-digit ZIP Code mentioned in the USPS City State Product servicing the intended recipient, as long as it is displayed in the USPS City State Product.) In the case of a ZIP Code (5-digit or ZIP+4), it is necessary.
4. Those sent by the general public at the single-piece First-Class Mail rates, as well as items with a simplified address, may be sent without including a ZIP Code.
5. Presorted First-Class Mail, all mail claimed at automation rates, postcards mailed under specific First-Class standards, Periodicals, Standard Mail, Package Services, business reply mail, merchandise return service, mail sent to military addresses within the United States, and penalty mail are all required to have ZIP Codes (5-digit or ZIP+4) on them.
1. ZIP Codes are also required in the return address of mail on which postage is paid with precanceled stamps and company permit imprint, as well as in the sender’s return address on Periodicals when return service is requested, and in the sender’s return address on Periodicals when return service is not requested.
1. In the case of a letter-size piece, the preferred address placement is inside the optical character reader (OCR) read region, which is described as follows (see Exhibit 1.3): A half-inch away from the left edge of the piece is a good starting point for the left edge.
2. 1/2 inch from the right edge of the item on the b.
3. right side.
4. c.
5. At the top of the piece, measure 2-3/4 inches from the bottom border.
1. d.
2. Bottom: 5/8 inch from the piece’s bottom border.
##### 1.4Nonmailable, Nonmachinable Placement

It is determined by the placement of the delivery address on a letter-size mailpiece which parameters are the piece’s length and height. The result is that a piece may become unmailable or unmachinable as a result of the location of the address. OCR Read Area in Exhibit 1.3

##### 1.5Clear Space

On all mail, a clear area must be provided for the address, postage (permit imprint, postage stamp, or meter stamp), postmarks, and postal endorsements, as well as for any other information.

##### 1.6Attachment of Different Class

The names and addresses of the sender and intended recipient must be placed on two separate pieces of paper if their names and addresses do not appear on both the host and the attachment. Combination containers with inseparable sections or compartments are mailable if the names and addresses are printed on just one of the parts or compartments.

1. E100, E500, E600, and E700 are the basic addressing standards used for First-Class Mail (including package services), Express Mail (including package services), Standard Mail (including package services), and Package Services (including package services).
2. The Periodicals Standard 7.0 contains additional requirements for periodicals.
3. Military mail sent overseas, Department of State mailings, mailings in window envelopes, foreign mail, and mail claimed at any automated rate are all subject to additional standards and requirements.

#### 2.0 ZIP Code

##### 2.1Purpose
1. The ZIP (Zone Improvement Plan) Code system is a numerical coding system that helps to ensure that mail is processed as efficiently as possible.
2. ZIP Codes are assigned by the United States Postal Service.
3. All post offices are issued at least one 5-digit ZIP Code that is unique to them.
4. Larger post offices may be allocated two or more 5-digit ZIP Codes, depending on the size of the facility (multi-5-digit ZIP Code offices).
5. Each delivery unit at these offices is allocated a unique 5-digit ZIP Code, which is assigned by the United States Postal Service.
1. Publication 65, National Five-Digit ZIP Code and Post Office Directory, contains street listings for post offices with unique three-digit and multi-five-digit ZIP Code numbers.
##### 2.2ZIP+4
1. Most full ZIP Codes are nine digits long and comprise five digits, one hyphen, and four additional digits, which the United States Postal Service (USPS) refers to as ZIP+4.
2. When creating a numeric ZIP+4 code, the correct format is five digits, followed by a hyphen, and then four digits.
3. It is the first five digits that represent the five-digit ZIP Code; the sixth and seventh digits (the first two after the hyphen) identify a larger geographic area known as a sector; the eighth and ninth digits identify a smaller geographic area known as a segment; and the tenth and eleventh digits represent an area known as a subdivision.
4. These four digits collectively identify geographic units such as a side of a street between intersections, both sides of a street between intersections, a building, a floor or group of floors in a building, a firm within a building, a span of boxes on a rural route, or a group of post office boxes to which a single USPS employee delivers mail.
##### 2.3Numeric DPBC

As stated in C840, a numeric equivalent of a delivery point barcode (DPBC) consists of five digits followed by a hyphen and seven digits, which is the same as a traditional barcode. The numeric counterpart is created by appending three digits immediately after the ZIP+4 code in the above example.

##### 3.1Definition

Having a full address has all of the address elements required to provide a precise match with the current USPS ZIP+4 Product in order to acquire the highest level of ZIP+4 code for the delivery address is called a complete address. When sending mail, it is possible that a complete address will be required at particular automation rates.

##### 3.2Elements
1. A full delivery address comprises the following elements: a.
2. The addressee’s name or other identification, as well as the firm name, if relevant.
3. b.
4. The designation and number of a private mail box (PMB 300 or 300).
5. c.
1. The name of the urbanization (Puerto Rico only, ZIP Code prefixes 006 to 009, if area is so designated).
2. In the case of a rural route and box number (RR 5 BOX 10) or a highway contract route and box number (HC 4 BOX 45) or a post office box number (PO BOX 458), as shown in the case of a delivery address in the USPS ZIP+4 Product, the street number and name (including predirectional, suffix, and postdirectional as shown in the case of a delivery address in the USPS ZIP+4 Product, or the case of a delivery address in the US (″PO Box″ is improperly used when it comes before a private box number, such as in a college mailroom.″) e.
3. Designator and number for the secondary address unit (for example, an apartment or suite number (APT 202, STE 100), if applicable.
4. f.
5. The location of the city and state (or authorized two-letter state abbreviation).
1. You may only use the names of cities and city and state abbreviations that are shown in the USPS City State Product.
2. More information on the City State Product can be obtained by contacting the National Customer Support Center (see A930).
3. Correction of the 5-digit ZIP Code or the ZIP+4 code.
4. If a unique ZIP+4 code is allocated to a firm name in the USPS ZIP+4 Product, the unique ZIP+4 code must be used in the delivery address for that firm name.

##### 4.1Purpose
1. The return address informs the United States Postal Service (USPS) of where the sender of a mailpiece wishes the piece to be returned if it cannot be delivered.
2. The return address comprises parts that are identical to those found in the delivery address, as seen below.
3. The sender’s name is required in the return address under certain circumstances (see section 4.3), but in the event that the sender’s name is not included in the return address, another clearly identifiable designation (apartment, suite, or room number) is required in order to ensure proper handling of ancillary services and/or return of the piece.
##### 4.2Ancillary Services
1. The United States Postal Service (USPS) utilizes the return address to deliver supplementary services requested by the sender (for example, ″Return Service Requested″).
2. Any mailpiece that has been endorsed for an ancillary service must include a return address that specifies where the piece is to be returned and where the mailer is willing to pay applicable postage and fees for pieces that are returned or for ancillary services that are provided at the mailer’s direction.
3. If the item is addressed on one side, the return address must be placed in the top left corner of that side’s address space or in the upper left corner of the addressing area.
##### 4.3Required Use
1. Except as provided in Section 4.1, the sender’s domestic return address must be legible on the following items: a.
2. Mail of any class, when its return and/or an address correction service is requested; and b.
3. Mail of any class, when its return and/or an address correction service is requested.
4. b.
5. Official correspondence.
1. c.
2. Mail that has been pre-paid with stamps.
3. d.
4. Matter bearing the imprint of the company’s permit.
5. e.
1. Priority Mail (U.S.
2. Postal Service).
3. The following are examples of periodicals: f.
4. periodicals in envelopes or wrappers g.
1. Package Delivery Services (except unendorsed Bound Printed Matter).
2. h.
3. Registered mail is a good idea.
4. i.
• Insured mail.
• j.
• Collect on delivery (COD) mail is a type of mail that requires payment upon delivery.
• In the event that a return receipt is requested, certified mail is recommended.
• l.

Express Mail if a return receipt is requested.The return address printed on the Express Mail label complies with this requirement.

##### 4.4Postmark

An endorsement directing a return to the place of mailing (the postmark) is not recognized by the postal service.

#### 5.0Restrictions

1. Mail with a dual address, i.e., mail having both a street address and a post office box number, is sent to the address that is immediately above the city and state in which the mail was received (or to the post office box if both the street address and post office box are on the same line).
2. When the ZIP+4 code or a 5-digit ZIP Code is utilized, it must correspond to the address element that is directly above the city and state information (or with the post office box number in the address if both the street address and post office box are on the same line).
3. These limits also apply to the return addresses on letters and other correspondence (for more information, see Publication 28, Postal Addressing Standards).
##### 5.2More Than One Post Office

Mail that contains the names of more than one post office, either in the delivery address or the return address, is not accepted for posting.

Letters and packages addressed to an addressee who works at a commercial mail receiving agency (CMRA) must be addressed to their private mailbox number (″PMB″ or ″″) at the CMRA postal address.

#### 6.0Military Mail

Addresses for overseas military personnel must be in accordance with domestic addressing requirements.The delivery line (i.e., the second line from the bottom of the address) must include the ship name, unit number, CMR or PSC number, and box number, if one has been allocated, among other information.Finally, the last line must have the APO and FPO designations as well as the proper two-letter ″state″ abbreviation (AA, AE, or AP), which must be followed by the ZIP+4 or 5-digit ZIP Code.

Addresses with the 3-digit ZIP Code prefixes 340, 090-098, and 962-966 are designated by the letters AA, AE, and AP, respectively.Additionally, mail sent to Army members must include the recipient’s entire name, including first and middle names or initials, as well as the unit number.Postal mail addressed to Air Force personnel must include the recipient’s entire name, including first and middle names or initials, and the PSC or unit number when applicable.c.Mail sent to Navy and Marine Corps troops must include the recipient’s entire name, including first and middle names or initials, as well as the PSC number for shore-based units and the ship name for ship-based units.d.

1. Mail delivered to dependents who are residing in other countries must be addressed to the sponsor’s attention.

Messages that include a foreign city and country in addition to the military address are subject to the postal rates and requirements that apply to international messages.

Mail addressed to military personnel stationed in the United States must include the name of the military base, the state in which the military personnel is stationed, and either the right ZIP Code or the ZIP+4 code.In addition, there is: a.Mail sent to Army personnel must include the recipient’s entire name, including their first and middle names or initials, as well as the organization.

a.Mail addressed to Air Force personnel must include the recipient’s entire name, including first and middle names or initials, the organization, and the box number where the mail is being delivered (if served by a PSC).A complete name, including first and middle names or initials, as well as the organization, must be included on any mail addressed to Navy and Marine Corps personnel.d.Mail delivered to dependents of military persons for delivery through the sponsor’s military unit must be addressed to the sponsor and not to the dependents of military personnel.Postal mail addressed in care of the sponsor but addressed to dependents of military members for delivery at the sponsor’s military quarters is acceptable.

#### 7.0 Additional Standards for Periodicals

##### 7.1Preparation

It is required that the addressee’s name and address appear on every addressed piece, including the top copy of a firm package. The right ZIP+4 code or 5-digit ZIP Code must be included in the mailing address.

The address label must be printed on white or another light-colored piece of paper. If the mailpiece is intended for Periodicals, the mailer may include a 1/4-inch or narrower strip of solid pink or pink ″PER″ characters vertically along the left-hand side of the label.

A clearly visible delivery address must be shown on or through the exterior of the mailpiece, whether it is printed on a label or directly on the host publication, a component, or the mailing wrapper.If the address is to be placed on the mailing wrapper, it must be on the flat side, not on the fold (see Exhibit 7.3).The address must not display on a component that rotates within the bag if a polybag is being used, and the address must be visible throughout the range of motion of the addressed component if a polybag is being used.

Exhibit 7.3Addressing Periodicals in the Correct Location

When a mailing wrapper is endorsed with the words ″Address Service Requested,″ the return address must be included. DMM Issue 58 (October 10, 2003) ARCHIVED DMM Issue 58

## ZIP+4™ Codes Lookup by Address

ZIP+4 Numbers (ZIP Plus 4 Codes) are four-digit codes that are appended to five-digit United States Postal Service ZIP Codes.The first five digits of the postal code identify the country and the post office / delivery region where the package is to be delivered.Individual routes within delivery zones are represented by the final four digits.

The use of 9-digit ZIP+4 Codes improves the efficiency of routing and delivery.

## 9-digit Full ZIP Code Lookup by Address

We make it simple to complete a full ZIP+4 Code lookup by address using the United States Postal Service. To discover your ZIP+4 Code, select one of the options listed below.

Enter an address to lookup the specific ZIP+4 Code. Lookup several ZIP+4 Codes at once with the Bulk Tool. Lookup ZIP+4 Codes programmatically using our APIs.
ZIP+4 Lookup Bulk ZIP+4 Lookup ZIP+4 API Lookup
• The following topics will be covered in this article: How do I find my ZIP+4 code by address?
• How do I get my ZIP+4 code by phone number?
• How to Make Use of ZIP+4 Codes
• Is It Necessary to Have a Five-Digit ZIP Code?
• Meaning of ZIP Code plus four digits
• ZIP+4 Code Advantages in Detail
• ZIP+4 Code Database
• and Conclusion

## How to Find My ZIP+4 Code by Address

If you watch this video, you will learn how to quickly and simply figure out your own ZIP+4 last four numbers. It will take you less than one minute.

## How Full ZIP Codes Are Used

Knowing what the last four digits of a ZIP Code are all about necessitates a thorough understanding of what ZIP Codes are in general terms.The Zone Improvement Plan was developed by the United States Postal Service in order to make it simpler to send mail and parcels around the country.Due to the way mail was dispersed, it helped split the country into distinct ″zones,″ which aided in speeding up the sorting and delivery process.

During the same time period that the Postal Service Department announced the Zone Improvement Plan on July 1, 1963, they also presented the world to Mr.ZIP ″Zippy,″ a fictional character created by the Postal Service.Zippy is the official ZIP Code mascot, and he can be found on our ZIP Codes 101 website as well.Your browser does not currently support the audio element.They also published a jingle for the ZIP Code: Since 1963, as the population of the United States has grown and dispersed, it has become necessary to extend the system in order to accommodate everyone and their canine companion.That’s where the ″plus 4″ portion of the equation comes in.

## USPS Five-Digit ZIP Codes

These are the codes with which you are already familiar.They have the following appearance……and are most usually used to denote a destination post office.The reason for this is that if you’re shipping a letter from Boston to Seattle, the postal carrier in Massachusetts isn’t really concerned about the street address of the recipient’s residence.

He only has to know which postal carrier to give it to so that the other carrier may deliver it to the correct address; otherwise, it would be considered ″beyond his authority.″ On any given day, a postal worker can only cover a certain amount of ground.And because the United States Postal Service has a policy of delivering in all weather conditions, including rain, sleet, and snow, there is no way to provide the service of delivering in stages (some today, some tomorrow).In other words, each one post office can only service the area that it can reach in a single day.That is reflected in the ZIP Codes.The majority of the time, a ZIP Code is associated with a post office; that is, every one of the latter has a corresponding one of the former.ZIP Codes may be thought of as a sort of postal address for a certain post office location.

1. Some agents cover more than one ZIP code, but the majority of them operate on a one-on-one basis.
2. It’s critical to remember that ZIP Codes are not ″boundaries,″ but rather a collection of delivery routes that serve a certain area.
3. They do not adhere to physical or administrative boundaries, and they are capable of crossing city, county, and even state boundaries.
4. They travel in the same direction as the delivery vehicles.
5. Some ZIP Codes are considered to be outliers.
1. One type of ZIP Code is designated as ″military,″ and it includes anything from military sites (local and international) to battleships at sea.
2. Then there are ZIP Codes that are ″unique.″ Because of the large volume of mail that businesses and organizations send and receive, they may be assigned their own ZIP Codes.
3. These organizations regularly take advantage of bulk mailing reductions because they typically have a mail department that (1) presorts mail before delivering it to the USPS and (2) distributes mail internally so that the USPS is not required to do so.
4. ″Military″ and ″unique″ ZIP Codes are similar to ordinary ZIP Codes in that they circumscribe their own delivery region.
• Visit our ZIP Codes page for a more in-depth look at the system.

## ZIP Code + 4 Meaning

ZIP+4 Numbers are four-digit codes that are attached to the end of the original five-digit United States Postal Service ZIP Codes.When mailing with the United States Postal Service, using complete ZIP Codes ensures the fastest and most accurate delivery possible.Once an address has been authenticated and shown to be legitimate, they are only made available for that address to be used.

Each of these numbers corresponds to a distinct delivery route, which refers to the actual path that a postal truck would take in completing a single drop-off.Typically, this consists of 10 to twenty different residences or sites.PO Boxes are also allocated ZIP+4 codes in addition to their regular ZIP codes.Typically, each PO Box is assigned a unique +4 Code, which is frequently the same as the box number.Because ZIP codes plus four additional digits are based on delivery routes rather than more permanent borders, the last four digits of a full ZIP Code can vary on a regular basis.ZIP codes plus four additional digits are based on delivery routes rather than more permanent boundaries.

1. It is also possible that five-digit ZIP Codes will change, but this will happen seldom; it is far less probable that you will be residing in a ZIP Code when it changes.
2. This is not the case for the complete 9-digit ZIP Code.
3. The +4 on a ZIP Code can be altered as frequently as once a month, depending on factors like as the number of postal employees on the job, who is assigned to which route, and other factors.

## Benefits of Full ZIP+4 Codes

Numerous factors contribute to the good fortune associated with complete ZIP+4 Codes in terms of shipment.For starters, ZIP+4 Codes are subject to validation, which means that if an address has a ZIP+4 code connected to it, you can be certain that it is legitimate.Another advantage is that they may assist you in obtaining bulk mailing savings.

Another significant advantage of using the final four digits of ZIP Codes is the speed with which packages are delivered.Complete ZIP+4 use on your mail can save processing and delivery times by as much as two days, depending on the volume of mail being sent.If you mark your items correctly, your mail will arrive more quickly, which is great news!I bet you’re scurrying around for those codes right now, don’t you?Get those additional four digits.

## ZIP+4 Code Database

Using a CASS Certified USPS address validation vendor, such as Smarty, is often the most convenient approach for many users to gain access to the USPS ZIP+4 database.Because ZIP+4 codes are updated on a regular basis, data that is even a month old may be erroneous.Checking addresses against the database on a regular basis can help to guarantee that your data is as clean as it can be.

## Conclusion | What is My 9 Digit ZIP Code?

There will be three questions in the quiz:

1. ZIP+4 codes are used to identify delivery routes.
2. Using ZIP+4 Codes expedites and improves the accuracy of your mail delivery.
3. Smarty (previously SmartyStreets) can provide you with such codes
4. just let us know what you need.

If you only want to test it on one address, you may do it right now by using our single address verification tool.We process addresses using our lightning-fast USPS address verification API, which returns the right ZIP+4 Code for each address that we process.Please go ahead and verify the postal address you’ve been given.

Alternatively, if you’d rather to speak with a live person, you may phone us at the number above.A fictitious person would be offered instead, but we do not have one of those on staff.) With either case, we can assist you in ZIP-ing your address and ZIP-ing it well.

## CI Gateway Zip Code List

Note: Natural Area Code, NAC and Universal Address are trade marks of NAC Geographic Products Inc.
(c) 2013 NAC Geographic Products Inc.

Zip Code City County
90201 Bell Los Angeles County
90201 Bell Gardens Los Angeles County
90201 Cudahy Los Angeles County
90202 Bell Los Angeles County
90202 Bell Gardens Los Angeles County
90209 Beverly Hills Los Angeles County
90210 Beverly Hills Los Angeles County
90211 Beverly Hills Los Angeles County
90212 Beverly Hills Los Angeles County
90213 Beverly Hills Los Angeles County
90220 Rancho Dominguez Los Angeles County
90220 Compton Los Angeles County
90221 East Rancho Dominguez Los Angeles County
90221 Compton Los Angeles County
90222 Rosewood Los Angeles County
90222 Compton Los Angeles County
90223 Compton Los Angeles County
90224 Rancho Dominguez Los Angeles County
90224 Compton Los Angeles County
90230 Culver City Los Angeles County
90231 Culver City Los Angeles County
90232 Culver City Los Angeles County
90233 Culver City Los Angeles County
90239 Downey Los Angeles County
90240 Downey Los Angeles County
90241 Downey Los Angeles County
90242 Downey Los Angeles County
90245 El Segundo Los Angeles County
90247 Gardena Los Angeles County
90248 Gardena Los Angeles County
90249 Gardena Los Angeles County
90250 Holly Park Los Angeles County
90250 Hawthorne Los Angeles County
90251 Hawthorne Los Angeles County
90254 Hermosa Beach Los Angeles County
90255 Walnut Park Los Angeles County
90255 Huntington Park Los Angeles County
90260 Lawndale Los Angeles County
90261 Lawndale Los Angeles County
90262 Lynwood Los Angeles County
90263 Malibu Los Angeles County
90264 Malibu Los Angeles County
90265 Malibu Los Angeles County
90266 Manhattan Beach Los Angeles County
90267 Manhattan Beach Los Angeles County
90270 Bell Los Angeles County
90270 Maywood Los Angeles County
90272 Pacific Palisades Los Angeles County
90274 Palos Verdes Peninsula Los Angeles County
90274 Palos Verdes Estates Los Angeles County
90274 Rolling Hills Los Angeles County
90274 Rolling Hills Estates Los Angeles County