Postage Stamp Rates 2024. This article provides information on the types of rates usps provides, the discounts you'll receive when shipping usps through stamps.com, and a sampling of the usps. Effective september 16, 2024, usps will adjust rates for priority mail ® and ground advantage ™ packages shipped to certain zip codes.

Postage & international courier rate calculator & rates. Washington, dc — today, the u.