Postage Stamps Cost 2024 Increase Date. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take. Usps stamp increase could start july 14.

The cost of a standard postage stamp will increase from 68 cents to 73 cents when a new pricing scale goes into effect next week. Death, taxes and the prices of stamps going up.