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

hamburger menu Icon USPS mobile logo Search Icon. Sign In ... By City and State ... Go to our FAQs section to find answers to your ZIP Code™ questions.

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.

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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.unitedstateszipcodes.org/

US ZIP codes are a type of postal code used within the United States to help the United States Postal Service (USPS) route mail more efficiently. ZIP codes near ...

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

Lookup ZIP codes by city, address, state, county, or area code and get all the zip codes. ... Use it to find information on Zip Codes, Lookup ZIP+4 of any address in the U.S., Find all the Zip Codes in a given radius, Find ... Locate a Post Office ...

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

ZIP Code Database list & Demographics - Boundary data with ZIP Codes by City, County, ... Complete U.S. ZIP+4 Database, licensed from the U.S. Postal Service, available ... Our free ZIP codes finder helps you find the ZIP codes and related ...

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

The first five digits indicate the destination post office or delivery area. The last 4 ... All 9 digits of a full zip code assist the USPS in effectively sorting the mail.

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

The ZIP Code is often translated into an Intelligent Mail barcode that is ... is not recommended as the address to ZIP lookup tables can be significantly out of date ). It is better to let the post office put one on when it processes the piece. ... The USPS publishes the rules for calculating the ...