Current Price of a Domestic First-Class Stamp
The United States Postal Service charges $0.68 for a one-ounce First-Class letter as of early 2025. Additional ounces cost $0.24 each. Prices typically rise in January and July, so check the official USPS website for the latest updates.
International and Postcard Rates
A First-Class International stamp costs $1.45 for a one-ounce letter. Postcards are $0.51 for domestic delivery and $1.10 for international mail. Weight, size, and destination affect the final price.
Where to Buy and How to Save
You can buy stamps at Post Offices, online at USPS.com, at ATMs, and in many grocery and convenience stores. Buying in sheets or coils is usually cheaper than single stamps. The USPS also offers discounted Forever Stamps in bulk packs.
For the most up-to-date rates and mailing guidelines, visit the official USPS price page at USPS Price Changes.
