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423 E Tennessee, except Knoxville metro area: Chattanooga, Bristol, Johnson City, Kingsport, Greeneville 84 DSL providers 615 Northern Middle Tennessee: Nashville metro area 85 DSL providers 731 W Tennessee: outside Memphis metro area 58 DSL providers | 865 E Tennessee: Knoxville, Knox and adjacent counties 69 DSL providers 901 W Tennessee: Memphis metro area 85 DSL providers 931 Middle Tennessee: semi-circular ring around Nashville 77 DSL providers |