What Is The Cost Of A Postage Stamp 2024. The cost of a forever postage stamp has just gone up, under a u.s. Effective september 16th, usps will adjust rates for priority mail and ground advantage.
The price increased by 5 cents, from 68 cents to 73 cents. On sunday, the cost of a stamp is going up for the second time this year, jumping 5 cents for first class postage to 73 cents.