Union Bank of California Address: 4771 Spring St, La Mesa, CA 91941 Phone: (619) 667-3206 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-6pm Sat: 9am-1pm Banks Other Businesses: U.S. Bank at 3681 Avocado Blvd, La Mesa, CA 91941 Comerica Bank at 5450 Jackson Dr, La Mesa, CA 91942 Bank of the West at 8690 Center Dr, La Mesa, CA 91942 North Island Credit Union at 7968 El Cajon Blvd, La Mesa, CA 91941 US Bank at 8920 Fletcher Pkwy, La Mesa, CA 91942