Usps Postcard Stamps Price Increase 2024. The price of a domestic postcard will increase from 53 cents to 56 cents. The prices for domestic postcard stamps will also increase by two cents from 51 cents to 53 cents and international postcards will increase from $1.50 to $1.55.

The proposed adjustments, approved by the postal service governors, would raise mailing services product prices approximately 7.8 percent. The increase — already approved by the governors of the postal service on aug.