About Us     Contact Us
Welcome

Headquartered in Carlinville, Illinois, CNB Bank & Trust, N.A., was established in 1854, making us Illinois' Oldest Bank.  Our focus has, and will remain, the agricultural communities in Central Illinois.  Expansion, through acquisition, has allowed us to expand our footprint into the suburbs of St. Louis and Chicago. 

With 13 locations, our vision is to earn the distinction of being perceived by shareholders, residents and competition as the premier financial institution in the markets we serve.  We strive to attain this goal by offering "Big Bank" products with the Community Bank service our customers expect.

CNB Bank & Trust has 13 locations to better serve you, Alton, Brighton, Carlinville, Carrollton, Clayton-MO, Hillsboro, Jacksonville, Jerseyville, Oak Forest, Pittsfield, Palos Heights, Shipman, and Taylorville. 

CNB Bank & Trust - Member FDIC and Illinois' Oldest Bank, Established in 1854.

Opening your account online is secure and easy. To get started you will need the following information:

  1. Social Security Number
  2. Date of Birth
  3. Current Address
  4. Driver's License or Government Issued ID
  5. Your Current Bank Account and Routing Number

*Are you a New or Existing Customer:
*What state do you reside in?:
How did you hear about us?: