Coulee Bank Address: 351 Mason St NW, Onalaska, WI 54650 Phone: (608) 779-1706 Banks Other Businesses: Citizen State Bank at 625 Main St, Onalaska, WI 54650 Heights Finance Corp at 605 2nd Ave S, Onalaska, WI 54650 Associated Bank at 127 Sand Lake Rd, Onalaska, WI 54650 Associated Bank at 9515A State Road 16, Onalaska, WI 54650