A sorting office or processing and distribution center (P&DC; name used by the United States Postal Service (USPS)) is any location where postal operators bring mail after collection for sorting into batches for delivery to the addressee, which may be a direct delivery or sent onwards to another regional or local ...

How does mail get sorted at the post office?

A delivery barcode sorter sorts the letter to a particular carriers who will deliver it. The barcode sorter also arranges that carrier's letters in the order of delivery. Afterward, all of the mail for this carrier is taken by truck to the Postal Office, station, or branch in which the carrier works.

What happens at Royal Mail sorting office?

Workers here feed local letters and cards on a conveyor belt into a large machine, which fires the letters out again at breakneck speed into different racks for different streets. The machine then fires the letters out again in numerical order, and they are taken to individual postal staff's workstations.