Postage Rates 2024 Increase Date. Usps announced a general rate increase (gri) for both mailing and shipping services that will go into effect on july 14, 2024. If approved, the new rates will take effect on sunday, july 14, 2024.
Stamp prices are going up on july 14, 2024, according to a usps plan. Australia post has signalled their intention to increase the cost of stamps from next month.