Prairie Knights Casino & Resort Hwy 1806 Cannon Ball, ND 58528 Phone : (800) 425-8277 Post Office - Cannon Ball 440 Horseshoe Rd Cannon Ball, ND 58528 Phone : (701) 854-7412 Kellys Cannon Ball, ND 58528 Phone : (701) 854-3400 Cannon Ball Head Start 6985 8th Ave Cannon Ball, ND 58528 Phone : (701) 854-3312 Cannon Ball Pit Stop 7908 Highway 1806 Cannon Ball, ND 58528 Phone : (701) 854-3591 Cannon Ball Elementary School 7038 8th Ave Cannon Ball, ND 58528 Phone : (701) 854-3341 Great Plains Tribal Insurance 7103 Highway 1806 Cannon Ball, ND 58528 Phone : (701) 854-3568