: Located in many post office lobbies, these kiosks allow you to purchase individual printed postage labels or stamps even when the counter is closed.
Postage rates typically change annually. For a standard 1-ounce letter in 2026:
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