Tech Guides
06/01/2022
Informed Delivery API Technical Specifications v4.0.1 6-1-2022

This is the Technical Specifications guide for the Informed Delivery API - Release 4.0.1

Technical Specifications
06/01/2022
Informed Delivery API XML Schemas-Release 4.0.1_6-1-2022

This is a ZIP file of the XML schemas for the 4.0.1 release of the Informed Delivery API.

Data Files
06/01/2022
May 2022 Nixie Volume

This spreadsheet contains the UAA statistics for May 2022.

Announcements
05/28/2022
WestPac Area – AZ-NM District - Chacon Post Office – Reopened (05.28.22)
Announcements
05/27/2022
Des Moines PCC Spotlight 5.27.22
Technical Specifications
05/27/2022
Labeling List Changes Effective July 1, 2022

Effective July 1, 2022, we are revising Labeling List(s) L001, L006, L007, L012, L201, L606, and L607 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the July 1, 2022, effective date, but no later than August 31, 2022, expiration date. The changes will be published in the Postal Bulletin, Issue #22600.

Announcements
05/26/2022
[JULY-PRICE-CHANGE-2022] JUNE-26-2022: Release Overviews (05.26.2022)
Announcements
05/26/2022
National Zone Chart Matrix Updates Effective July 10, 2022
Announcements
05/25/2022
WestPac Area – AZ-NM District – Holman Post Office Reopened (5.25.2022)
Announcements
05/25/2022
[MAY-26-2022 DELAYED DATA FEEDS] USPS Returns and Outbound service via IV-MTR and EPS to IV-MTR (05.25.2022)