The Missouri Bank 1145 W Pearce Blvd, Wentzville, MO63385 The primary service area for The Missouri Bank is Warren and St. Charles Counties. It is independently owned and its…More Board of Directors consists of local citizens with in-depth knowledge of the area. Even though the bank's focus is local, it still provides all the latest banking products and services. Customers can go online and view their latest account activity, transfer funds, pay bills, and download account information to their personal accounting software. Those wishing to move their banking to The Missouri Bank can go to its website, click on "switch kit" and find everything they need to make the change.