WYHY FEDERAL CREDIT UNION is categorized under CREDIT UNIONS and located at 1715 Stillwater Avenue 82003 in or near the Cheyenne, WY area. Call (307) 638-4200 or (800) 442-2392 (Toll-Free). Fax (307) 638-4201 . Find additional information including website, email, map, and directions - wyhy.org.