U.S. Postal Inspection Service complaint filing guide

How to file a consumer complaint with U.S. Postal Inspection Service for Federal postal & mail.

Investigates mail fraud, mail theft, package theft, suspicious mail, identity theft involving the mail, and other crimes involving the U.S. mail system.

Jurisdiction
Federal
Category
Postal & Mail
Filing method
online form
Verification status
verified (last verified 2026-05-29)

Response times vary by agency. Check the agency's website for its current timeline.

File a complaint with U.S. Postal Inspection Service (official form)