The U.S. Postal Service has announced a price increase for first class mail to take effect July 10, 2022. On July 10, 2022, the price of a First Class postage stamp will increase from $0.58 to $0.60. Each additional ounce will increase by $0.24, up from $0.20. The 1oz First Class metered rate will increase from $0.53 to $0.57. For a complete list of price changes, click here.