Usps Rates 2024 Per Ounce Usa. On september 16, 2024, the usps adjusted rates for priority mail® and ground advantage™ packages shipped to certain zip codes. — postal rates, including the price of forever stamps, are going up again.
Postal service plan for mail and shipping rate increases in 2024. See delivery times and how much postage or how many global forever stamps you need for a letter or.