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Overseeing the integrity and efficiency of the nation’s postal system

Guarding against fraud, waste, and abuse

Learn how the Office of Inspector General ensures the accountability and transparency of postal operations and programs.

Our Work

Follow Up Nationwide Background Screening Cover

Follow-Up to Nationwide Employee Background Screening

Terminal Handling Services Phoenix Cover

Terminal Handling Services - Phoenix, AZ

PRC Acquisition Planning Contracting Cover

Postal Regulatory Commission Acquisition Planning and Contracting Practices

Address Management System Cover

Address Management System for Rural Routes

Photo illustration of money and financial charts.

Parcel Select Billing Determinants Process and Procedures

USPS Loyalty Program Cover

The Path Forward for the Postal Service Loyalty Program


OICH Chance Encounter 9-27-2023

Chance Encounter

Check out our new investigative case highlight story.
Postal Postal Postal artwork

Postal Postal Postal

Read the newest article of the Pushing the Envelope Blog.
Focus On Retiree Liability Timeline of work.

About the Postal Service's Retiree Liability Issues

Check out our work on Retiree Liability Issues and the USPS.
Upcoming Audit Topics

Upcoming Audit Work

If you have knowledge or experience in one of the recently announced...
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Who We Are

With six government organizations bearing the term “postal” in their name, there’s bound to be some confusion! Our charge to guard the United States postal system against fraud, waste, and abuse is unique. In just over two minutes, this video captures our mission as we work to safeguard the integrity and efficiency of the nation’s postal system. Like, share, and follow for more!