Postage Rates 2024 Additional Ounce Postage. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, january 21, 2024. Changes by usps for postcards, flats & letter size explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and.
The rate tables below compare the usps retail and commercial rates, effective july 14, 2024. Washington, dc โ today, the u.