Download is available immediately upon purchase and for the duration of the annual subscription.
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.
A monthly update of this database is not necessary, so we update our database quarterly and recommend that you download quarterly as well.
Comma-Separated Values (CSV) Text File
Official U.S. Postal Service five digit ZIP Code (ZIP to CBSA)
Official city name used by the U.S. Postal Service
Official U.S. Postal Service State Abbreviation
The name of the county in which the ZIP Code is found.
Geographic location code as defined by the Office of Management and Budget
Geographic location name as defined by the Office of Management and Budget
A CBSA sub-classification: Micro - 10,000 to 50,000 populationMetro - 50,000 + population
A sequence number for each record indicating the greatest population to the least
Current U.S. Census population estimates per CBSA Code
Code assigned to geographic areas having more than 2.5 million people
Name assigned to Division Code
Current U.S. Census population estimates per Division Code