North Island Credit Union Address: 7968 El Cajon Blvd, La Mesa, CA 91941 Phone: (619) 656-7191 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-6pm Sat: 9am-1pm Banks Other Businesses: Opus Bank at 7966 La Mesa Blvd, La Mesa, CA 91942 Chase ATM at 3775 Massachusetts Ave, La Mesa, CA 91941 Credit Research Bureau at 7373 University Ave, La Mesa, CA 91941 Union Bank at 4771 Spring St, La Mesa, CA 91942 Bank of the West at 8690 Center Dr, La Mesa, CA 91942