Live Chat I-81 Community Nearby Traffic South Knoxville Post Office (Amenity postoffice) 2024-05-17 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to South Knoxville Post Office (Amenity Postoffice) Corryton, TN 14.08 Powell, TN 14.20 Mascot, TN 14.24 Interstate highway exits close to South Knoxville Post Office (Amenity Postoffice) Exit 8, i640tn 1.21 Exit 392, i40 2.94 Exit 393, i40 3.00 Interstate highways close to South Knoxville Post Office (Amenity Postoffice) i640tn map 1.21 i40 map 2.94 i75 map 7.54 State roads close to South Knoxville Post Office (Amenity Postoffice) TN 331 map 2.26 US 441 TN map 3.67 US 70 TN map 3.71