(7 CES Proudly Serving our Communities. Williston: 1300 Bison Drive 215 Washington Ave. 572-4000 1-800-584-9220 Ray: Ray Mall 568-3663 www.wccu.org Western Cooperative CREDIT UNION (7 CES Proudly Serving our Communities. Williston: 1300 Bison Drive 215 Washington Ave. 572-4000 1-800-584-9220 Ray: Ray Mall 568-3663 www.wccu.org Western Cooperative CREDIT UNION