July 2024 Postage Rates For Large Envelopes. From today, 1st july 2024, the royal mail mailmark postage rates 2024 are in effect. The postal service is reminding customers that metallic mercury and devices containing metallic mercury are always.

Effective september 16th, usps is adjusting rates for priority mail® and ground. The rate tables below compare the usps retail and commercial rates, effective july 14, 2024.