Zip codes can be combined by their first three digits to cover larger geographic areas. The Post calculated the average change in service standards, weighted by the amount of mail sent between ...

The U.S. Postal Service ... in the ZIP codes, the search results will show available mail classes and expected delivery dates. The USPS is also unveiling an interactive map that will show expected ...

The U.S. Postal Service is considering closing more than 3,600 post offices nationwide. The points below are centered on the ZIP Codes where those offices are located (not the actual addresses).

7, almost all Post Offices beginning with ZIP codes 700, 701 ... by a USPS mobile retail unit at the site of their regular Post Office (where indicated). Customers will be able to conduct postal ...