Data Files
05/01/2006
Z4 Info File Layout

This data file presents a table of codes for primary and secondary numbers to describe Z4Info files.

Data Files
Address Matching System (AMS) Congressional Table

This document lists congressional district codes for the AMS database.

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

File layout for AISUADDR.txt and AISUZIPS.txt.

Data Files
PTR Error/ Warning Messages

This document provides information on the Product Tracking System Error and Warning Messages.

Data Files
Service Hubs and Facilities Locations

This document provides a list of service hub facilities, includes area, district, NASS, site, locale key, and start date.

Data Files
Sample ZIP + 4® File TXT

This document provides a sample of a ZIP + 4 .txt file.

Data Files
Sample ZIP + 4® Transaction File TXT

This document provides a sample of a ZIP + 4 Transaction .txt file.

Data Files
City State Sample File XLS

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