A National ANSI File is available for download.
This file contains comma-delimited records for each state and county. The records are of the format:
State Abbreviation, State ANSI, County ANSI, County Name and Legal Statistical Area Description, ANSI Class Code
For example:
FL,12,011,Broward County,H1
The inventory, names, and codes for counties and equivalent areas change periodically. Please review Substantial Changes to Counties and County Equivalent Entities: 1970-Present.
