Usps Rates 2024 Calculator In. Most priority mail international shipments include tracking and insurance: Learn about the 2024 postage price change for usps services and products, and how it affects domestic and international mail.

Priority mail, including priority mail flat rate shipping products, has fast shipping times (1, 2, or 3 business days) with flexible prices. Usps® rolled out new mailing rate changes, fees, and other significant shifts this july.