Finances in Somonauk, Illinois, the US. Finances locations in Somonauk, Illinois. Find the nearest finances locations, near you. All types of business services Accounting ATM Finance Insurance Lawyer School Travel All finances in Somonauk Citizens First National Bank ATM Finance 900 East Market Street, Somonauk, Illinois 60552 Write a review Phone Directions Tax Shop Finance Accounting +1 815-786-1766 13788 Bunny Ln, Somonauk, Illinois 60552 Write a review Phone Website Directions