Large First-Class envelopes (flats) that exceed maximum dimensions or are rigid, non-rectangular, or not uniformly thick are charged package prices and shipped with USPS Ground Advantage. TIP: Use the USPS® Price Calculator tool to calculate your domestic postage costs. You’ll need to know ...
Still, since the latter is based on distance, customers usually spend less on first-class delivery than on priority mail. According to USPS, a 13 ounce, 9 x 12-inch envelope will be sent in first class in Pittsburgh by Wednesday afternoon and will arrive in Philadelphia, Pennsylvania, on S...
Postage Due: One More Penny; NW Customers Stock Up for Rise in First- Class Rates Today to 34 CentsLinda Wheeler