When Do Postage Stamps Go Up In Price 2024. The united states postal service filed notice with the postal regulatory commission of mailing services friday for price changes to take effect in 2024, the. Postal rates, including the price of forever stamps, are going up again.

This service will see the biggest increase, with an average jump of 10% and some rates going up to $2.97 more. Washington, dc — today, the u.