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 state abbreviation
The name of the county in which the city is located.
Official city or township name used by the U.S. Postal Service
Lat/Lon: Approximate City Latitude and Longitude center point. The city latitudes are positive, the city longitude coordinates are negative, which is the proper way to denote locations west of the Grand Meridian.