U.S. Postal Inspection Service
The U.S. Postal Inspection Service supports and protects the U.S. Postal Service and its customers by enforcing the laws that defend the nation’s mail system from illegal or dangerous use.
Agency Details
Website:
Contact:
Local Offices:
Main Address:
Criminal Investigations Service Center
Attn: Mail Fraud
433 W Harrison St., Room 3255
Chicago,
IL
60699-3255
Toll Free:
1-877-876-2455
Government branch:
Executive Department Sub-Office/Agency/Bureau
