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Head to the front of the store. Most locations sell stamps at the Customer Service or Money Services desk rather than at standard checkout lanes.

Because stock levels can fluctuate, it is recommended to call your local Walmart to confirm they have stamp books in stock before making a trip.

The most common offering is the USPS Forever Stamp , which retains its value for one-ounce mail regardless of future price increases.

Use the Walmart app to check the availability of stamp booklets in your specific store.

Items are listed under Mailing Supplies and often qualify for 2-day delivery.

You can use the USPS Locator Tool and select "National Retailer" to find all authorized stamp sellers near you, including participating Walmart locations. Where to Buy Stamps — and How Much They Cost in 2026

While in-store prices typically match official USPS rates, some third-party sellers on the Walmart Marketplace may charge additional fees or higher prices for specialty designs. Tips for Success