Directions to Step Up Search | Advanced Search | New Members | Coupons and Discounts | All Categories Family, Community & Non-Profit >> Community & Social Service Organizations Step Up PO Box 1626Muskegon, MI 49443-1626 | map 231-557-9411 Visit Site Get directions to: Step Up, PO Box 1626, Muskegon MI Get directions from: Click to Print This Page If you would like to see your business here, contact us today to get listed!