The USPS is implementing new service standards for first-class mail, periodicals, marketing mail, and package services.

The changes hitting USPS this month, which took effect April 1, are part of a 10-year plan to save the agency $36 billion.

The changes, which are being rolled out in two phases, is expected to save the Postal Service billions of dollars over 10 ...

Are changes coming to USPS mail delivery? Yes. Here's what we know about United States Postal Service changes and how post ...