Enter a street address along with city and state OR enter a street address and ZIP Code ™. A ZIP Code ™ result does not confirm that a person or company is at that address.

A ZIP+4 Code is a 4-digit code appended to a standard 5-digit ZIP that helps the USPS sort, route, and deliver mail more efficiently. The last 4 digits of these 9-digit ZIP Codes usually …

Our database of 45 million 9-digit ZIP+4 Codes is organized into separate websites for each of the 50 states and the District of Columbia. You can find more information such as ZIP Codes, …

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.

Use our usps look up address feature to search by full street address, city, or county and instantly get the correct ZIP code. For more precision, retrieve the ZIP+4 extension to ensure accurate …

Enter a ZIP+4 Code and get all addresses within that ZIP Code and other consumer records. Use this ZIP+4 lookup to displays a list of addresses in the same ZIP+4 plus additional data for …

Find the full ZIP + 4® Code of a US Address. This tool is specifically designed to showcase the capabilities of Firstlogic software and demonstrate how it can be used to power a web-based …

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.

Free ZIP Code lookup tool. Instantly find ZIP codes by city, county, or state. Search any U.S. location to get accurate postal codes and related data.

Enter a full address for precise Zip Code results, including ZIP+4, perfect for delivery verification and supporting USPS mail routing.