Hours Of Operations Comcast Service Center Tennessee Knoxville Comcast Service Center Hours of Operation and Locations in Knoxville, TN 4.5 - 19 votes 1 Locations in Knoxville www.customer.xfinity.com Comcast Service Center Hours Category: Electronics Comcast Service Center - Knoxville, TN 37923 1645 Downtown West Blvd Suite 10(865) 321-9966 View Store Details Explore KnoxvilleView More Apparel Sam's ClubMarshallsTJ MaxxRoss Dress for LessBurlington Coat Factory Sports TargetNew BalanceDick's Sporting GoodsColemanSnap Fitness Jewelry Sam's ClubMarshallsHobby LobbyBurlington Coat FactoryCato Recommend For You Xfinity Store R & R Solutions Studio Xfinity Dm Computers Clear Internet Harmony Computer Solutions Ribbons Express Incorporated Fdm Group Incorporated Ventures Unlimited Incorporated Concerto Networks