If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new US Postal Service rule makes it clear that you should plan ahead.

Prior to December 24, if you dropped off a letter with a stamp at the post office it would usually be postmarked within a day ...

If you vote or pay bills by mail, there will be some changes to the US Postal Service postmark system. A postmark currently ...

People relying on the U.S. Postal Service to mail time-sensitive documents may need to take additional steps to make sure postmarks aren’t late if they’re cutting it close to key deadlines. A new fede ...

The United States Postal Service announced on Monday the release of specially designed stamps and a prestige booklet to commemorate 250 years of postal service in the nation. The agency's "250 Years ...

The more things change at the U.S. Postal Service, the more they stay the same, unfortunately. The volume of mail moving through the system continues to drop, yet the size of the workforce, thanks to ...

July marks the 250th anniversary of the United States Postal Service, an institution that predates the Declaration of Independence. The U.S. postal system was established by the Second Continental ...

At the March Lunchtime Lecture, we welcome Nancy Pope, Chief Curator of Postal History at the National Postal Museum. To celebrate Women’s History Month, Ms. Pope talked about the Dead Letter Office, ...