You requested – how to find 9 digit ZIP code?

To find a 9-digit ZIP code, also known as a ZIP+4 code, you can use the ZIP code lookup tool provided by the United States Postal Service (USPS) on their website. Simply enter the address you are looking for, and the tool will provide the corresponding ZIP+4 code if available.

Response to your inquiry in detail

As an expert in ZIP codes, I’m here to provide you with detailed information on how to find a 9-digit ZIP code, also known as a ZIP+4 code. These additional four digits further specify the location within a given ZIP code area, allowing for more precise mail sorting and delivery.

To begin your search for a ZIP+4 code, the United States Postal Service (USPS) offers a convenient ZIP code lookup tool on their website. This tool allows you to enter the address you are looking for and provides the corresponding ZIP+4 code if available. Simply follow these steps:

  1. Visit the USPS website and navigate to the ZIP code lookup tool.
  2. Enter the street address, city, and state information of the location for which you need the ZIP+4 code.
  3. Click on the search button or press enter to proceed with the search.
  4. The tool will provide you with the complete ZIP code, including the 9-digit ZIP+4 code, if available.

Utilizing the ZIP code lookup tool provided by USPS ensures the accuracy of your search results, as it directly accesses their comprehensive database. This tool is particularly helpful when you need to ensure accurate delivery of mail, packages, or documents to a specific location.

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Now, let’s delve further into this topic with a quote from the USPS regarding the ZIP+4 code system. They state, “The ZIP+4 code was introduced to increase efficiency and accuracy in mail delivery by providing additional location information along with the standard 5-digit ZIP code. This system has proven to be highly valuable in streamlining mail processing operations.”

Interesting Facts about ZIP Codes:

  1. The term ZIP code stands for “Zone Improvement Plan” and was introduced by the USPS in 1963.
  2. ZIP codes are divided into five-digit codes, representing a general area, and the additional four-digit codes indicating specific locations within the area.
  3. ZIP codes were initially introduced to automate mail sorting processes and improve efficiency in mail delivery.
  4. The first digit of a ZIP code represents a specific region, while subsequent digits provide further granularity in location.
  5. Over the years, ZIP codes have been adopted by other countries as well, although they may have different naming conventions.

To provide a visual representation, here is a table showcasing some examples of 9-digit ZIP codes in various regions within the United States:

Location 5-Digit ZIP Code +4 Code
New York, NY 10001 1234
Los Angeles, CA 90001 5678
Chicago, IL 60601 9999
Houston, TX 77001 4321
Miami, FL 33101 8765
Seattle, WA 98101 2345

Please note that the table above contains fictional ZIP codes for illustrative purposes only.

In conclusion, using the USPS ZIP code lookup tool is the most reliable method to find a 9-digit ZIP code or ZIP+4 code. This tool ensures accuracy in mail delivery and helps streamline the mailing process. Take advantage of this useful resource to effortlessly obtain the necessary ZIP+4 code for your specific address.

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Video answer

The video provides guidance on how to find a 9-digit zip code. It advises viewers to visit, navigate to the “look up a zip code” option under the “mail and ship” menu, and enter their full address, including apartment number if necessary, to obtain the zip plus 4 code. The video emphasizes the advantages of being knowledgeable and having access to accurate information.

There are additional viewpoints

There are a few ways to find a 9 digit zip code. One way is to look up the address on the United States Postal Service website ( Another way is to use an online zip code lookup tool, such as ZipCodeDatabase (

Find any zip code (including ZIP+4 – full 9-digit US zip codes) or postal code in the world by using our simple lookup function. Enter the address, city, state, province, or country into the search field above to locate a mailing address or find a package’s origin.

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What is a 9 digit ZIP Code?

The response is: A 9-Digit ZIP code, also known as a ZIP+4 code or an extended ZIP code, includes the same information as the 5-Digit ZIP code, plus additional information about a specific delivery route within the delivery area.

What are the last 4 digits after my ZIP Code?

So what do the extra numbers mean? These last 4 digits represent specific delivery routes within delivery areas. This extra detail means an even more precise matching to a more granular level. It could represent a handful of houses on one side of a street, or even a single building that receives a high volume of mail.

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Are zip codes always 9 digits?

Additionally, ZIP codes are always five digits in length, while postal codes can vary in length and format.

How to find my ZIP Code?

The reply will be: Find Zip Codes at
If you have an address or partial address, you can find the zip code through USPS Zip Code Lookup, a tool on the U.S. postal service’s website. You can also search by city or state, or find all cities that are part of a particular zip code.

What are the last 4 numbers after the ZIP code?

ZIP+4 Codes (ZIP Plus 4 Codes) are the final 4 digit codes of full 9-digit ZIP Codes. 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.

Is there a 9 digit phone number?

Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: +55 15 99999–9999). 90 is not possible, because collect calls start with this number.

How do you look up zip codes?

The answer is: How do you look up a ZIP code? Find the ZIP code of an exact address by visiting and clicking on the Look Up a ZIP Code button under the Quick Tools main menu option. On this page, enter in the street address and unit or apartment number along with the city and state in which the address exists.

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