Great Plains National Bank Address: 228 Highway 44, Burns Flat, OK 73624 Phone: (580) 562-3356 Banks Other Businesses: Willy's Sports Grill at 465 S Williams Cir, Burns Flat, OK 73624 Ma's Diner at 220 Highway 445, Burns Flat, OK 73624 Montreray Mexican Restaurant at 229 Hwy 44, Burns Flat, OK 73624 Washita State Bank at 701 Highway 44, Burns Flat, OK 73624