The most reliable source for a full selection of stamp designs and denominations remains the U.S. Postal Service (USPS) .
Walmart usually sells stamp booklets at its Money Services Center or customer service desk, while Target offers them at guest services.
Most major retailers sell stamps at face value at their customer service desks or main registers.
Office Depot and Staples carry stamps and related mailing supplies. 3. Grocery Stores & Supermarkets
These are ideal for late-night or weekend needs, as many locations are open 24/7. Stamps are typically sold in booklets of 20 at Walgreens and CVS.
Institutions like Bank of America , Chase , Wells Fargo , and KeyBank may sell stamps through tellers or select ATMs. Some banks may charge a small convenience fee for non-account holders. 5. Online Options Find USPS Locations
Many post office lobbies have Self-Service Kiosks
Costco and Sam's Club are rare locations that may offer a slight discount (e.g., $77.75 for a roll of 100) if purchased in bulk by members. 4. Financial Institutions