New 2024 Postage Rates. Usps will adjust mailing services prices, effective sunday, july 14. On 1 july 2024, we’re increasing prices for a range of retail products and services across domestic and international parcels, international letters, mypost business, unaddressed.
The proposed adjustments, approved by the. Effective september 16th, usps is adjusting rates for priority mail® and ground advantage®.