Zip Codes & Postal Codes

Provides the zip+4 code for any U.S. address given. Formed by the union of many individual state directories.

Enter a partial U.S. postal address and the server attempts to rewrite the address in the proper format along with the ZIP+4 code.

Instant ZIP code search including U.S. census data that can be searched by ZIP code or city name.

Find ZIP codes and postal codes of the world. Includes information on region, city, zip code, latitude & longitude.

Also includes postal codes for Andorra, Belgium, Germany, Italy, Luxembourg, Portugal, and Spain.