When Do Us Stamps Go Up In 2024. Postal service prices increase on jan. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take effect jan.

Forever stamp prices will rise from 66 cents to 68 cents. The cost of a forever stamp is set to increase in july 2024 as part of the us postal service’s ‘delivering for america’ plan.