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 231-726-4871 | fax: 231-722-2628 Visit Site Connect With Us Send a message to: Route 31 Credit Union Your Name: Your Email: Subject: Message: (Date: 12/3/2024)