Three-Ounce Stamps

Find stamps explicitly issued for the three-ounce First-Class Mail letter price. The products displayed below come from the live BuyUSPSStamps.com catalog; current price and availability are shown on each product card and listing.
Current catalog selection: 1 matching product after applying this category’s stated rule.
How to choose
Confirm the mailpiece remains a qualifying letter; shape or rigidity can change the required postage.
Postage function: Check whether the stamp is Forever, fixed denomination, or tied to a particular mail type.Pack format: Compare sheets, books, rolls, and total stamp quantity.Order details: Use the live price, stock message, and purchase controls rather than historical figures.
What belongs in this category
Ordinary Forever, Two-Ounce, Priority Mail, and fixed-dollar stamps are excluded even when an old tag suggests otherwise.
Before mailing
Postage depends on the finished mailpiece and service. Review our postage and stamp quantity guide, or verify a specific mailing with the USPS postage calculator.
Buying information
See our shipping terms and refund and returns policy. BuyUSPSStamps.com is an independent online retailer and is not the U.S. Postal Service.
Part of our topic guide: Types Of Stamps.