Desert Schools Federal Credit Union Address: 10725 Grand Ave, Sun City, AZ 85351 Phone: (602) 433-7000 Banks, Credit Unions Other Businesses: Chase Bank at 10300 W Thunderbird Blvd, Sun City, AZ 85351 National Bank of Arizona at 10032 W Bell Rd, Sun City, AZ 85351 US Bank at 9899 W Bell Rd, Sun City, AZ 85351 BBVA Compass at 9915 W Bell Rd, Sun City, AZ 85351