Bank of Old Monroe offers a full spectrum of personal & business banking services. Visit us online for checking, savings, mortgages, loans & eBanking & more. Troy, MO 63379. click to contact location. Old Monroe. 636-665-5601 P.O. Box 188 2100 Hwy C Old Monroe, MO 63369. click to contact location. Moscow Mills. Make Banking (& Life) easier with e-statements, Sign up through online banking today, E-statements are FREE! CBC Bank is your hometown bank serving the community since 1871.We are located just 30 minutes west of St Louis with branches in St Peters, Troy, Clarksville, and Bowling Green, Missouri. Banking products and services are subject to bank and credit approval. BMO Harris Bank N.A. Member FDIC. Notice to Customers. To help the government fight the funding of terrorism and money laundering activities, federal law (USA Patriot Act (Title III of Pub. L. 107 56 signed into law October 26, 2001)) requires all financial organizations to obtain, verify and record information that