Home: Reference: Postal Search Engines

Postal search engines, portals, and directories.


Address Management System Office Locator

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

German Zip Codes - [New Window] - Searchable database.

JCS ZIP Codes, Area Codes, and City Search. - [New Window] - Search for US area codes, zip codes, and cities. Zip multiple cities are handled. Over 80,000 entries. Crossreferences to state/county.

National Address and ZIP+4 Browser - [New Window] - Search for address and zip+4 information.

National Address Server - [New Window] - 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 - [New Window] - Directory of state abbreviations, street suffixes, and secondary unit designators.

PostInfo - [New Window] - Directory of postal services and postal codes by country.

South Africa Postal Codes

Zip Search - [New Window] - Find zip codes by city and state. Or find city and state by zip code.

Zip+4 Code Look-Up - [New Window] - US Postal Service database allows you to enter and address and find zip+4 code.