https://tools.usps.com/go/zip-code-lookup.htm

hamburger menu Icon USPS mobile logo Search Icon. Sign In. Skip Quick ... Go to our FAQs section to find answers to your ZIP Code™ questions. ZIP Code by ...

https://www.usps.com/nationalpremieraccounts/findzipcodes.htm

City/State/ZIP Code Associations Find the ZIP Code for an area of a city or town, or the location of a given ZIP Code. ZIP+4 Code Lookup We make it simple.

https://m.usps.com/m/ZipLookupAction

Look Up a ZIP Code™. Search by Address · Search by City/State · Search for a City by ZIP Code. Find USPS ® Locations Near this Address; Get Shipping Prices  ...

https://www.unitedstateszipcodes.org/

Though ZIP codes were originally developed for USPS, many other shipping ... be sure to search for the full street address to determine the ZIP code instead of ...

https://www.viviano.com/store/findazip.asp

Start with a company name and address to find its ZIP Code™. However, this tool can't confirm whether the company is actually located at that address.

https://www.melissa.com/v2/lookups/zipcityphone/

Use this free lookup tool for Zip Code, City, Area code, state, time zone, home sales, county and more.

https://www.zip-codes.com/search.asp

Lookup ZIP codes by city, address, state, county, or area code and get all the zip codes. ... With our FREE zip code finder, you have many ways of finding the information you need. Use it to find information ... with this item Locate a Post Office ...

https://smartystreets.com/articles/zip-4-code

The last 4 digits represents a specific delivery route within that overall delivery area. All 9 digits of a full zip code assist the USPS in effectively sorting the mail.

https://en.wikipedia.org/wiki/ZIP_Code

A ZIP Code is a postal code used by the United States Postal Service (USPS) in a system it .... include the feature—but is not recommended as the address to ZIP lookup tables can be significantly out of date). ... adds and verifies a full, correct ZIP+4 Code and an additional two digits representing the exact delivery point.

https://www.quora.com/How-do-you-find-out-what-your-zip-code-plus-four-is

USPS has a tool that will give you the full 9-digit zip code of any address you input. Here is the link: USPS.com® - ZIP Code™ Lookup.