SpongeBob fans Ahoy, your favorite nautical cartoon characters are about to hit your mailbox, courtesy of the U.S. Postal ...

The four stamps in this collection highlight beloved characters from the show.

The U.S. Postal Service will issue SpongeBob SquarePants commemorative Forever stamps at a first-day-of-issue event in Times ...

This round of changes, beginning July 1, includes expanding service standard bands for First-Class Mail and USPS Ground ...