Postage Rates 2024 Per Ounce. Postal service has proposed temporary holiday shipping rate changes beginning sunday, october 6, 2024,. See forever postage stamp prices and other postage rates.

Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take. Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and optimize your mailing strategies.