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

Each 9-digit ZIP Code corresponds to one or more addresses within the U.S. territories. Additionally, this site offers several address-related tools, including address validation, full ZIP Code search, and …

Enter a full mailing address to get the correct 9-digit ZIP+4 code and USPS-standardized address format. Free tool powered by official USPS data.

ZIP Codes for United States. Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination.

The last 4 digits of these 9-digit ZIP Codes usually represent 6-20 delivery points on a USPS carrier route. A full zip code lookup can provide you with your 9 digit zip code.

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 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 …

Let’s break it down: A standard ZIP Code contains 5 digits, pinpointing a geographic region or delivery area. But a 9-digit ZIP Code adds another layer — helping the United States Postal Service (USPS) …

A ZIP Code is an essential part of the mailing process. We provide your business with several different ways to find a ZIP Code and understand it.

Aug 10, 2025 · In 1983, the USPS introduced an extended version of the ZIP Code, known as ZIP+4, to enhance mail sorting and delivery precision. This system appends four additional digits to the original …