1775 – Inspection Service established

1775

Postal Inspection Service

The U.S. Postal Inspection Service was established Aug. 7, 1775, and is one of America's oldest federal law enforcement agencies.

* | Tags: History USPS Fact #1382 | May 15, 2026

Project Safe Delivery

PROJECT

SAFE DELIVERY

The Inspection Service and USPS launched Project Safe Delivery in 2023 to protect postal employees and the security of the nation’s mail and packages.

* | Tags: Inspection service USPS Fact #1380 | May 15, 2026

The Inspection Service and USPS launched Project Safe Delivery in 2023 as a direct response to an increase in letter carrier robberies and associated mail theft. The joint initiative aims to protect postal employees and the mailstream, prevent incidents through education and awareness and enforce the laws that protect our nation’s mail. More information is available at uspis.gov/psd.

U.S. Postal Inspection Service

USPS
POSTAL

INSPECTION SERVICE

Defending the frontier. Enforcing the law. Established Aug. 7, 1775. The U.S. Postal Inspection Service enforces federal laws, prevents crimes, and keeps customers, employees and the mail safe. It’s one of the oldest law enforcement agencies in the nation. Postal inspectors remain on the heels of the criminals — targeting theft, disrupting drug traffickers, warning about fraud scams and more.

* | Tags: Inspection service USPS Fact #815 | May 15, 2026

It’s one of the oldest law enforcement agencies in the nation. Postal Inspectors remain on the heels of the criminals — targeting theft, disrupting drug traffickers, warning about fraud scams and more.