Karnes County National Bank Online Banking Login

Karnes County National Bank offers online banking to assist it’s customers in the ability to access their banking services 24 hours per day. If an account user would like to review their account information they may do so by using a computer. Currently this bank offers no mobile device support.

Karnes County National Bank is located in and remains loyal to only 2 communities in the state of Texas. Currently the bank offers very limited online banking access. One can review account balances and transfer funds and they do offer online bill payment. If a customer would like to login to their existing account they must access the login page, from the home page and enter a Username and Password.

How To Login

Step 1 – Go to www.kcnb.com – In the “Online Banking” box at the top right side of the page, click the “Login” button.

KCNBHomeStep 2 – You will be guided to the login page where you will enter your User ID just under the bank picture on the page. Click “Continue.” You will then enter your password on a separate page as an added layer of security. Once your password is entered, you will be taken to your online banking page where you will be able to view your accounts online.

Forgotten Password – If you require assistance with online password or User ID reset, you must call the bank customer service line at 1-830-780-3317 for further assistance as there is no self-reset on the web site.

How To Enroll

Step 1 – If you would like to enroll in online banking, begin by going to This Page – where you will first need to read and agree to the “Personal Enrollment Form Agreement.” After you’ve read the agreement, click “I agree.”


KCNBEnroll2Step 2 – When you click “I agree” you will be taken to your “Personal Information” form. Fill in all of the required fields as follows:

  • Account holder’s name
  • Social Security Number (no dashes or spaces)
  • Date of birth (mm/dd/yyyy format)
  • Address
  • City
  • State (select from the drop down box)
  • Zip code
  • Work phone
  • Work phone extension (if any)
  • Email address
  • Mother’s maiden nam
  • This bank requires a human verification step – type the visible characters into the text box. Click “Submit”
  • You will then complete the remainder of your enrollment process, privately, through the system.

Once your enrollment is complete, you will be able to access your online bank account and will be able to conduct any banking transactions.