1. East Buchanan Telephone 214 3rd St N, Winthrop, IA 50682 Coordinate: 42.47417,-91.73497 Phone: (319) 935-3011
2. East Buchanan Telephone Cooperative Po Box 100, Winthrop, IA 50682 Coordinate: 42.49116,-91.73147 Phone: (319) 935-3011