Announcements
09/14/2026
PROCESSING AND DISTRIBUTION - Central Processing Region - Louisville, KY Processing and Distribution Center (P&DC) Delays
Publications
09/14/2026
PCC Events (September 2026)
Announcements
09/14/2026
INFORMATIONAL - New USPS NCOA API – Launching October 4, 2026
Release Notes
09/14/2026
September 20, 2026 - FAST R69.0.1.0 Release Notes
Release Notes
09/14/2026
September 20 2026 Time Limited Price Change (TLPC) 2026 [October] Release Notes
Data Files
09/14/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
09/14/2026
City/State ZIP Code Weekly Compare
Data Files
09/14/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
09/14/2026
Cumulative Listing of ZIP Codes Covered by the LACS Database

This document provides a cumulative listing of ZIP Codes covered by the LACS database for LACSLink®.

Data Files
09/14/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
09/14/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
09/14/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Data Files
09/14/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
09/14/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
09/14/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
09/14/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
09/14/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
09/14/2026
Area District Finance File (AREADIST.TXT)
Data Files
09/14/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
09/14/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Contact Lists
09/14/2026
DSF2® Licensees

This document contains a list of DSF2® licensed providers with contact information.

Contact Lists
09/14/2026
DPV® Licensees

This document provides a contact list of licensees for DPV®.

Announcements
09/11/2026
INFORMATIONAL - October Time-Limited Price Change 2026 PostalOne! Alert – September 20, 2026
Announcements
09/11/2026
INFORMATIONAL - October Time-Limited Price Change 2026 Commercial System Releases – September 20, 2026
Announcements
09/11/2026
INFORMATIONAL - UPDATE - Commercial System Releases – Week of September 12, 2026