Empower Your Banking Routine
We are committed to providing our communities with a safe, fast, and convenient banking experience.
KCNB Online
Banking™
Online banking gives you direct control over how to manage your finances at KCNB.
KCNB Mobile™
Our mobile app gives you quick around-the-clock access to Online Banking.
24 Hour ATMs
Our ATMs are available all day, 7 days a week.

Taking Care of Business
Commercial Checking
$0 Maintenance Fee. Always.
When you open up our Regular Commercial Checking Account, you'll enjoy zero maintenance fees. No hoops to jump through and no fine print, simply zero.
Business Online Banking
A separate platform from KCNB Online Banking, Business Online is our platform for managing your business's finances. With powerful security controls, you can delegate management of business finances to employees while still being in full control.
Debit Card Security
Keep track of transactions with a debit card and enjoy the safer alternative to lugging cash around.
Customer Support
We’ve compiled our resources here to assist you as quick as possible.
Must have an open account at Karnes County National Bank to enroll in KCNB Online Banking.
Internet connection required for KCNB Online Banking & KCNB Mobile.
Standard data rates may apply, refer to your service provider’s plan for information regarding data usage rates.