Membership is open to those who live in Coconino, Graham, Greenlee, Maricopa, Pima, or Yavapai County, or in the north section of Gila County. You can also be eligible via select employer groups, family and even friends. Please see the credit union's Open An Account page for more details. Membership requires a minimum deposit of $5 into the savings account.
Branches are located through out Arizona including the cities of Phoenix, Flagstaff and Tuscon. The credit union is federally insured by the NCUA (Charter # 61315). It's a large credit union with $1.1 billion in assets and 129,951 members.
Thanks to the reader who emailed me info on this CD special.
Update 9/24/07: Corrected minimum deposit.