First Merit Bank Address: 102 S Main St, Potosi, WI 53820 Phone: (608) 763-2211 Hours: Mon: 8:30am-4pm Tue: 8:30am-4pm Wed: 8:30am-4pm Thu: 8:30am-4pm Fri: 8:30am-5pm Banks, Mortgages, First Merit Bank Other Businesses: Tennyson Potosi Community Bank at 338 US Highway 61 S, Potosi, WI 53820 Gary David Woodworks at 100 Brewery Hollow Rd, Potosi, WI 53820 Potosi Brewing Company at 209 S Main St, Potosi, WI 53820 Potosibrewery Co Restaurant at 209 S Main St, Potosi, WI 53820