Last Updated: Dec 20, 2012
- U.S. Postal Service Zip Code Lookup
- National Address Server
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.
- Zip and Area Code Lookup
Several resources including: Information About a Single Zip Code; Distance Between Zips; Zips in an Area Code; Zips in a State's Counties; etc.
- Zip Code Database
Find ZIP codes and postal information for all 50 U.S. States. Includes ZIP code search by city and by area code.
- International - Worldwide Postal Codes
- International - GeoPostcodes Postal & Zip Codes Database
Zip codes and Postal codes of the World, database with region, city, zip code, latitude & longitude information.
- Canada - Postal Codes
- France - Postal Codes
Includes postal codes for Andorra, Belgium, Germany, Italy, Luxembourg, Portugal, and Spain.
- Italy - Postal Codes
All Italian ZIP Codes with search by Address, by City, by Postal Code and by phone Area Code.
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