INFORMATIONAL - UPDATED LINK - Commercial Systems Releases – October 30, 2025

INFORMATIONAL - Commercial Systems Releases – October 30, 2025

DELIVERY - Southern Area - South Carolina District - Clearwater Post Office (29822) – Resumes Operations

INFORMATIONAL - Commercial System Releases – October 23, 2025

INFORMATIONAL - API Maintenance Release - Wednesday, October 29th, 2025

First-Class Mail and Marketing Mail Growth Incentives FAQs

On September 27, 2023, the Postal Regulatory Commission (PRC) approved the Postal Service request to make Mail Classification Schedule (MCS) changes to establish two distinct Mail growth incentives — a First Class Mail Growth Incentive and a Marketing Mail Growth Incentive. The incentives will run concurrently from Jan. 1, 2025 through Dec. 31, 2025. The following are some frequently asked questions and answers on these incentives.

PCC National Monthly Touchpoint (October)

INFORMATIONAL - Commercial System Releases – October 26, 2025

INFORMATIONAL - Peak Season Network Webinars 2025

DELIVERY - WestPac Area - AZ-NM District San Carlos Post Office (85550) - Resumed

January 2026 Release Overview

ACS Tables: PARS 2024

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2024.

Base Tables: PARS 2024

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2024.

Class Tables: PARS 2024

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2024.

Volume Tables: PARS 2024

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.

ACS Tables: PARS 2023

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2023.

Base Tables: PARS 2023

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2023.

Class Tables: PARS 2023

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2023.

Volume Tables: PARS 2023

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.

October 19 2025 Release Notes

INFORMATIONAL - Unused Label Refund Processing - October 18, 2025

INFORMATIONAL - Industry Alert Mailbox Impacted - October 17, 2025

DELIVERY - WestPac -Alaska District Napakiak Post Office (99634) - Temporarily Closed

DELIVERY -WestPac Area - ID-MT-OR District McLeod Post Office (59052) - Temporarily Closed

DELIVERY - WestPac Area - AZ-NM District Weed Post Office (88354)

DELIVERY - WestPac Area - AZ-NM District San Carlos Post Office (85550)

INFORMATIONAL - USPS Ship (PPC) – [INCIDENT # 10086586] – NSA Pricing Delays

INFORMATIONAL - Commercial System Releases – October 19, 2025

INFORMATIONAL - Revised Undeliverable-As-Addressed (UAA) Mail

INFORMATIONAL - Call for Industry Workshop Proposals Deadline Extended

DEADLINE EXTENDED Call for Industry Workshop Proposals – National Postal Forum 2026 -

INFORMATIONAL - USPS APIs System Maintenance October 20, 2025

PCCAC Strategic Innovation Sub-Committee presents “Exploring Communication Reach: Personal Feed vs. Private Group Dynamics”

PROCESSING AND DISTRIBUTION: Baltimore Marathon - October 16, 2025

INFORMATIONAL - Atlantic AIM Meeting October 20, 2025

DELIVERY - Atlantic Area - North Carolina District Stella Post Office (28582) Permanently Closed

INFORMATIONAL - 2026 Mailing Promotions Kickoff Webinar

WestPac AIM - USPS Mail Growth Incentive - September 10, 2025

AIM Meeting WestPac Area - September 10, 2025

INFORMATIONAL - USPS APIs System Maintenance October 12, 2025

Ballot Mail & Political Mail STIDs Fact Sheet

Plus One Product Requirements (Technical) (Updated 10/7/25)

Plus One Updated 10/7/25

INFORMATIONAL - Commercial Systems Releases – October 12, 2025

USPS Reporting ZIP Codes (Locations Using Scanning ZIP Codes not in AMS)

Dimensioned Layouts for the Container Barcode Formats

Intelligent Mail Container Barcode Technical Specifications

Technical specifications for printing the USPS Intelligent Mail® Container barcode (IM™ Container barcode). The Intelligent Mail Container barcode is used on mailer-generated pallet labels to uniquely identify pallets and similar containers (i.e. All Purpose Containers, hampers, pallet boxes, etc.) in addition to identifying the mail owner.

INFORMATIONAL - Multiple Locations New Equipment Installation - Parallel Induction Linear Sorter (PILS)

INFORMATIONAL - Informed Delivery Campaign Reporting Issue Resolved

INFORMATIONAL - Critical Testing Environment for Mailers Infrastructure Maintenance Update CHANGE REQUEST - CHG1175603

INFORMATIONAL - USPS APIs System Maintenance October 5, 2025