Southwestern National Bank Address: 2304 Coit Rd, Plano, TX 75075 Phone: (972) 673-0188 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-6pm Sat: 9am-1pm Banks Other Businesses: Chase ATM - Closed at 2220 Coit Rd, Plano, TX 75075 Chase Bank at 4001 W Park Blvd, Plano, TX 75093 East West Bank at 3911 W Park Blvd, Plano, TX 75075 Chase Bank at 2831 W 15th St, Plano, TX 75075 Wells Fargo Bank at 660 N Central Expy, STE 100, Plano, TX 75074