Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State

The first line is the recipient's name, the second line is the street address with a detailed house number, and the last line is the city, state abbr, and ZIP Code.

Our address validation software is able to retrieve the ZIP code of an address based on the Street name and number, City, and State information. If you don't have the ZIP code information for …

United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.

Find ZIP+4 Codes for any USPS address. Lookup ZIP+4 Codes by single address, batch, or API. Learn what they are and what they mean too. Use it free.

Enter the full street address, including street number and city, in the zip code search form to locate the corresponding postal digits. Retrieve the zip code instantly with our integrated maps …

Free USPS ZIP code lookup & postal address search tool. Verify any US address, find ZIP+4, view maps, radius search & download lists instantly.

Look up and find the ZIP+4 for a single address — or thousands or millions of addresses all at once

A ZIP+4 code is a 9-digit postal code that adds four digits to the standard 5-digit ZIP code. The extra four digits narrow down the delivery point more precisely—often to a specific street …

Enter an address and receive the ZIP+4 code. Here you will find ZIP Code frequently asked questions. Check online and get the answers quickly. Find publications and guides to assist …