Customer Service

Customer Service Hours

  • M-F: 7:30 AM to 5:30 PM
  • Sat: 9:00 AM to 1:00 PM

Phone

  • (903) 657-8521
  • (877) 566-2621
Report a Lost or Stolen Debit Card (nights, weekends & holidays): (800) 530-2265

  • Automated Phone System
    • (903) 657-6262
    • (800) 530-5303

Email

  1. Login to Online Banking
  2. Click on “Support"
  3. Click on “Secure Support”
  4. Select “Click here to send an email”
*When contacting CNB by email or the Contact Us Form please do not include personal information like account numbers or social security numbers.

Fax

  • (903) 657-9737