Postage Rates 2024 Usps Rates. Get free flat rate boxes and print postage. The proposed rate adjustments include the following:
Priority mail, including priority mail flat rate shipping products, has fast shipping times (1, 2, or 3 business days) with flexible prices. Usps announced a general rate increase (gri) for both mailing and shipping services that will go into effect on july 14, 2024.