Postage Rates 2024 Postcard. Stamps.com customers enjoy additional discounts over most commercial rates,. Learn about the size, shape, and weight requirements, as well as the extra services and.

Starting on july 14th, 2024, the us postal service will increase “forever” stamp prices from 68 cents to 73 cents for letters weighing one ounce or less. Learn how usps postage rates for flats and letter sizes increased in 2024 due to inflation and operational expenses.