First Bank & Trust Address: 215 W 4th Ave Milbank, South Dakota, 57252 Phone: (605) 432-5111 Website: www.bankeasy.com Great Western Bank Address: 302 South Main Street Milbank, South Dakota, 57252 Phone: (605) 432-1500 Website: www.greatwesternbank.com Wells Fargo Address: 402 South Main Street Milbank, South Dakota, 57252 Phone: (605) 432-4521 Website: www.wellsfargo.com