A credit union's field of membership is determined by the National Credit Union Association.
Red Crown Credit Union's membership includes those:
Persons who live, work, worship, volunteer or attend school in Tulsa, Creek, Mayes, Okmulgee, Osage, Pawnee, Rogers and Wagoner counties in Oklahoma;
Members of the immediate families of Red Crown members;
Businesses and other legal entities in the counties outlined above.