2024 Postage Rates By Weight And Size. Postage prices start at $57.97 at a post office. Effective september 16, 2024, usps will adjust rates for priority mail ® and ground advantage ™ packages shipped to certain zip codes.

View the royal mail international standard 2024 prices below. All postcards, letters, and large envelopes (or flats) must be rectangular, otherwise an additional.