List of Search Engines & Directories


List of Postal Search Engines

Postal search engines and directories


Address Management System Office Locator

City/State/ZIP Code Associations - Search for associated ZIP Codes by enter ing a city and state name into the search form.

National Address Server - Given a valid U.S. postal address, this server attempts to rewrite the address in the proper format along with the ZIP+4 code.

Official USPS Abbreviations - Directory of state abbreviations, street suffixes, and secondary unit designators.

Zip Search - Find zip codes by city and state. Or find city and state by zip code.