: This is the most certain way to purchase a single stamp of any denomination. You can visit any of the over 31,000 USPS locations in the U.S..
To buy just one stamp, your most reliable options are the retail counter or self-service kiosks at a location. While many major retailers sell stamps, they typically only offer them in books or coils. Where to Buy a Single Stamp buy one stamp
Postage rates typically change annually. For a standard 1-ounce letter in 2026: : This is the most certain way to
Definitive Guide to Buying Wedding Stamps for Your Invitations buy one stamp