Stores that sell postcards include stores located in places frequented by tourists and vacationers, such as gift shops in hotels, museums, airports and train stations. General merchandise, novelty and convenience stores and pharmacies in these locations also frequently sell postcards.
Book stores and stationery stores such as Paper Source also sell postcards. Blank, pre-paid post cards are available in most local post offices. Office supply stores, such as Staples and Office Depot, also sell blank, customizable postcards that can be printed in home printers. Vintage and antique postcards are available in specialty stores and online stores such CardCow.com and eBay.