Usps Media Mail Rates 2024. Postal service prices remain among the most affordable in the world. Effective september 16th, usps will adjust rates for priority mail and ground advantage.

Effective september 16, 2024, usps will adjust rates for priority mail ® and ground advantage ™ packages shipped to certain zip codes. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14,.