Data Files
Address Matching System (AMS) Congressional Table

This document lists congressional district codes for the AMS database.

Fact Sheets
11/01/2018
County Project SOP

USPS (NCSC) is working with local county and municipal addressing authorities to improve address quality in both our databases by resolving addresses that differ and reviewing congressional and county code differences.

Applications/ Forms
08/28/2018
PS Form 5118: County Project Web Access Request Form

This form will be used to create a Web-based account with the National Customer Support Center (NCSC) which will be utilized to send/receive (upload/download) files for County Project to/from the EPF website.