Download is available immediately upon purchase and for the duration of the annual subscription.
A monthly update of this database is not necessary, so we update our database quarterly and recommend that you download quarterly as well.
To update your database without human intervention, we can provide an FTP address for you to write a script to access. Just request it after purchase.
Comma-Separated Values (CSV) Text File
Official U.S. Postal Service nine digit ZIP Code
This is the 4 digit starting range for the Zip+4 code
This is the 4 digit ending range for the Zip+4 code
The name of the county in which the ZIP Code is found. Note: that it is our own standardized spelling of the county. For matching other sources, use the FIPS codes when possible. (example: where we have ''O’Brien'' others may have ''Obrien'')
Federal Information Processing Standard (FIPS) 3‐digit county. FIPS codes are not available for all areas (APO, FPO, some U.S. Territories).
Official U.S. state name
Official U.S. Postal Service state abbreviation
Federal Information Processing Standard (FIPS) 2‐digit state. FIPS codes are not available for all areas (APO, FPO, some U.S. Territories).
The name of the city or town - up to 30 characters