Wells Fargo Bank- Rancho Santa Margarita Branch Leave a Comment / By Catherine Marusich / May 10, 2025 Category: Bank Address: 30622 Santa Margarita Pkwy, Ste D99, Rancho Santa Margarita, CA 92688 Phone: (949) 766-4640 Website: Description: Services: Full-service banking, including personal and business accounts, loans, and ATM services.