Hours Of Operations Spectrum Group Michigan Byron Center Spectrum Group Hours of Operation and Locations in Byron Center, MI 4.6 - 29 votes 1 Locations in Byron Center www.spectrummedicalgroup.com Spectrum Group Hours Category: Home & Garden Spectrum Group - Byron Center, MI 49315 7751 Byron Center Ave Sw, Ste A(616) 878-3321 View Store Details Explore Byron CenterView More Apparel KmartRainbowGallsCoachJourneys Sports VansSnap Fitness Recommend For You Spina Floor Covering Spokesman Cycles Sport Center Sport Loft Sport Prospect Sport Sets Sport's Page Sporting Goods Incorporated Sports Authority Sporting Goods Sports Fever