KALAMAZOO, Mich. — The United States Postal Service (USPS) is ramping up its efficiency in Kalamazoo with the installation of a new sorting machine capable of processing up to 5,000 packages per hour.

Postal workers in Maine reassembled a high-speed mail sorting machine that had been taken offline over the summer amid USPS policy changes instituted by the new postmaster general. According to ...

NORFOLK, Va. — Over the last few years, major upgrades have been made at the United States Postal Service's Sorting and Delivery Centers — on Wednesday, News 3 took a tour to see the developments at ...

The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...