Casey's General Store is located at 6417 Northglenn Dr, Johnston, IA. This business specializes in Auto Repair & Service, Auto Fuel & Oil and Convenience Stores. Casey's General Store is open Mon, Open 24 hours; Tue, Open 24 hours; Wed, Open 24 hours; Thu, Open 24 hours; Fri, Open 24 hours; Sat, Open 24 hours; Sun, Open 24 hours and accepts American Express, Cash Only, Discover, Mastercard and...