Hours Of Operations Spectrum Group Michigan Grand Rapids 49504 Spectrum Group Hours of Operation and Location in Grand Rapids, MI 49504 4.2 - 136 votes 665 Seward Ave Nw, #320, Grand Rapids, MI 49504 (616) 391-6199 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 Grand RapidsView More Apparel CostcoMarshallsTJ MaxxBurlington Coat FactoryKmart Sports CostcoTargetDick's Sporting GoodsVansColeman Jewelry CostcoMarshallsHobby LobbyBurlington Coat FactoryDeb Shops Recommend For You Sport Center Sweet Shoppe Todays Window Tri State Carpet Window City Window World New York Angel's Nail Serenity Nails And Spa Diamond Nails