Data Files
Carriage Return Line Feed (CRLF).ZIP

This document contains the CRLF data file (ZIP).

Data Files
Address Information System (AIS) Area District Record Description

File layout for Address Information System (AIS) area district record descriptions.

Data Files
Carriage Return Line Feed (CRLF) 2011.ZIP

This document contains a 2011 CRLF zip file.

Data Files
Address Information System (AIS) ZIP Code™ Record Description

File layout for AISUADDR.txt and AISUZIPS.txt.

Data Files
06/17/2019
Data Files
11/28/2016
Address Information System (AIS) Area/District 3-Digit and 5-Digit ZIP Code™ Assignments

This document provides addressing information for  Area/District 3-Digit and 5-Digit ZIP Code™ Assignments

Data Files
03/15/2016
City State Sample File TXT

This document contains the sample text file for the AIS City State product.