Cowboy Bob's Diner Address: 7 N Walnut St, Colfax, IA 50054 Phone: (515) 674-9144 Restaurants, Diner Other Businesses: Caseys Carry Out Pizza at 501 W State St, Colfax, IA 50054 Kern Law Office at 11 E Howard St, Colfax, IA 50054 Luthens Law Offices at 8 W Howard St, Colfax, IA 50054 Cocina Hernandez at 7 N Walnut St, Colfax, IA 50054