Map for Route 31 Credit Union Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Banks & Credit Unions Route 31 Credit Union 715 Terrace Street, Suite 101Muskegon, MI 49440 | directions 231-726-4871 | fax: 231-722-2628 Visit Site If you would like to see your business here, contact us today to get listed!