First Class Postage Rates 2025 Per Ounce

First Class Postage Rates 2025 Per Ounce. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2025. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14, 2025.

Washington, dc — today, the u. First class mail is the cheapest way to ship a package weighing less than 16 oz with dimensions less than 22″ x 18″ x 15″ in maximum length.