Template OneAZ Credit Union - Corporate Office Share: Credit Unions Visit Website Request Info 2355 W. Pinnacle Peak Rd. Phoenix, AZ 85027 (844) 663-2928 About Map About OneAZ Credit Union is a $1.9 billion full-service, not-for-profit local financial institution with a statewide branch network serving the people of Arizona since 1951. What's Nearby? Distance: 5 10 15 20 25 50 mi.