Forever Stamp Rate Increase 2024. Rates for first class mail will increase by roughly 7.8%. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14, 2024.

The cost of a forever postage stamp has just gone up, under a u.s. The cost of stamps for international letters and postcards will increase by 5 cents, from $1.50 to $1.55.