How Much Are Postage Stamps Going Up In 2025. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take. When are postage stamps going up in 2025 when are postage stamps going up in 2025.

This service will see the biggest increase, with an average jump of 10% and some. The price of stamps is going up again in 2025.