Hours Of Operations Spectrum Group Maryland Gaithersburg 20877 Spectrum Group Hours of Operation and Location in Gaithersburg, MD 20877 4.1 - 23 votes 16 S Summit Ave, #210, Gaithersburg, MD 20877 (301) 947-4622 Get Directions Spectrum Group Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore GaithersburgView More Apparel Sam's ClubCostcoRoss Dress for LessBurlington Coat FactoryKmart Sports CostcoTargetSports AuthorityLA FitnessDick's Sporting Goods Jewelry Sam's ClubCostcoBurlington Coat FactoryLord & TaylorZales Recommend For You Sports Authority Sporting Goods Star Convenience Stop N Shop Street Corner The Home Depot Installation Services Ultra Carpet Union Market USA Carpet New York Nail Professional