Data Files
06/08/2026
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®.

Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment [CR# TBD] - Saturday, June 27, 2026
Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment - Sunday, June 21, 2026
Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment - Sunday, June 7, 2026
Announcements
06/05/2026
PCC Week 2026 Topic Ideas
Publications
06/05/2026
PCCAC Marketing and Communications Newsletter May 2026 Edition
Announcements
06/05/2026
INFORMATIONAL - Commercial System Releases (June 11 – June 19)
Announcements
06/05/2026
DELIVERY - Clarkson Post Office (14430) - Suspended Temporarily
Announcements
06/05/2026
INFORMATIONAL - Reminder - Central Area AIM In-Person Meeting 2026 Invitation - JUNE 30th 2026
Release Notes
06/05/2026
June 11 2026 USPS Ship R27.0.3.0 Release Notes
Announcements
06/04/2026
INFORMATIONAL - Commercial System Release - June 4, 2026
Announcements
06/04/2026
INFORMATIONAL - Major USPS Pricing Shifts July 2026 - What Mailers Need to Know
Release Notes
06/04/2026
June 4 2026 USPS Ship R27.0.2.0 Release Notes
Announcements
06/03/2026
INFORMATIONAL - USPS Modernization Through Package Equipment Upgrades in June 2026
Announcements
06/03/2026
DELIVERY - Corte Madera Post Office - Temporarily Closed
Publications
06/03/2026
PCC Events (June 2026)
Fact Sheets
06/03/2026
IMpb/IMmb Electronic File Transmission Requirements
Announcements
06/02/2026
INFORMATIONAL - RESOLVED - Enterprise Payment System – Incident #10716992 Issues with Postage Statement Finalization, ACH Withdrawal Details Missing from Data Feeds
Applications/ Forms
06/02/2026
Occupancy Trends License Agreement
Announcements
06/01/2026
INFORMATIONAL - 2nd Reminder - USPS Enhanced Addresses API – Coming July 2026
Announcements
06/01/2026
INFORMATIONAL - Mail Spoken Here - May Issue
Data Files
06/01/2026
May 2026 Nixie Volume

This spreadsheet contains the UAA statistics for May 2026.

Publications
05/29/2026
PCC Insider May 2026 Special Edition
Announcements
05/29/2026
INFORMATIONAL - Commercial System Releases (June 6 – June 12)
Announcements
05/29/2026
Processing and Distribution - Memphis TN Regional Processing and Distribution Center (RPDC) Expands Operations May 30, 2026