When Do Postage Stamps Go Up In Price 2024. Usps will adjust mailing services prices, effective sunday, july 14. The united states postal service (usps) announced friday it might increase stamp prices in 2024 for the second year in a row, citing pressures from inflation.

See forever postage stamp prices and other postage rates. The united states postal service (usps) announced friday it might increase stamp prices in 2024 for the second year in a row, citing pressures from inflation.