AmericanWest Bank Address: 408 B St, Mabton, WA 98935 Phone: (509) 894-4670 Hours: Mon: 11:30am-4pm Tue: 11:30am-4pm Wed: 11:30am-4pm Thu: 11:30am-4pm Fri: 11:30am-2pm Banks, Mortgages, Functions Related To Deposit Banking Other Businesses: Yakima Valley Tours at 551 Holt Rd, Mabton, WA 98935 Silver Dollar Cafe & Lounge at 324 B St, Mabton, WA 98935