Live Chat I-81 Community Nearby Traffic Columbus Powell Central Office (Education school) 2024-05-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Columbus Powell Central Office (Education School) Mountain Home, TN 3.95 Milligan College, TN 4.90 Watauga, TN 7.42 Interstate highway exits close to Columbus Powell Central Office (Education School) Exit 22, i26 1.46 Exit 23, i26 1.58 Exit 24, i26 2.51 Interstate highways close to Columbus Powell Central Office (Education School) i26 map 1.46 i81 map 21.06 i40 map 78.99 State roads close to Columbus Powell Central Office (Education School) TN 400 map 0.52 TN 91 map 0.76 US 23 TN map 1.38