United States Postal Service (USPS). Track & trace the parcel from USA sent by USPS

Tracking the Postal Service: An Update on the Delivering for America Plan - United States House Committee on Oversight and Government Reform

How accurate is USPS tracking, delivery times?

NAACP v. USPS: Important Facts About LDF’s Case Against the United States Postal Service and the 2020 Elections

The United States Postal Service isn't just a convenience—it's a constitutional promise. But now, that promise is under threat thanks to the Trump administration’s effort to privatize USPS, which would lead to higher costs, slower service, and the elimination of rural delivery. We should be strengthening USPS, not selling it off. Because some things should serve people—not profits. | Congresswoman Sarah McBride

Frustration grows over package delays at Indianapolis USPS hub