Announcements
05/27/2026
05/27/2026
Release Notes
05/27/2026
05/27/2026
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05/27/2026
Labeling List Changes Effective July 1, 2026
Effective July 1, 2026, the Postal Service™ will revise Labeling List(s) L001, L007, L009, L012, L016, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the July 1, 2026, effective date through August 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22704.
Announcements
05/27/2026
05/27/2026
Announcements
05/27/2026
05/27/2026
Announcements
05/26/2026
05/26/2026
Announcements
05/26/2026
05/26/2026
Contact Lists
05/26/2026
05/26/2026
Mail Service Provider (MSP) - Full-Service Certified Mailers
A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet
Announcements
05/23/2026
05/23/2026
Announcements
05/22/2026
05/22/2026