Allegacy Federal Credit Union Credit Unions Visit Website 1996 Rockford St. Suite 300 Mt. Airy, NC 27103 (336) 774-3400 (336) 774-5026 (fax) LinkedIn Facebook Twitter About About Allegacy is one of the largest credit unions in North Carolina, with members throughout the world. Founded in 1967 in Winston-Salem, Allegacy has a broad membership base in our community, including th