Hours Of Operations Comcast Service Center Maryland Cambridge Comcast Service Center Hours of Operation and Locations in Cambridge, MD 4.5 - 19 votes 1 Locations in Cambridge www.customer.xfinity.com Comcast Service Center Hours Category: Electronics Comcast Service Center - Cambridge, MD 21613 21 Sunburst Ctr(888) 266-2278 View Store Details Explore CambridgeView More Apparel Carter'sRainbowTalbotsCapezioExpress Sports ColemanPro ShopJazzerciseBasic Basic Jewelry Pawn King 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