Welcome to
Karnes County
National Bank
Serving our communities and beyond since 1901.
Learn More
Online Banking
The convenience of managing your finances
at your fingertips.
Learn More
Personal Checking
We offer many options regarding personal deposits.
Learn More
Business Loans
Let us help you to decide if a business loan may be the solution for you.
Learn More

A Standard of Self-Service

We strive to let you take care of banking on your own time.

24 Hour ATMs

Our ATMs are available all day, 7 days a week.

KCNB Online

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.

QR code for KCNB Mobile

Scan or tap the QR code on your smartphone to download KCNB Mobile!

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.

Security Resources

It’s important to understand the many ways in which someone may try to gain unauthorized access to your account.  We’ve compiled resources here to help you stay on the lookout for these types of red flags.

Most Recent Article

KCNB Locations

Find a location near you, hours of operation, and ATMs.

Online Banking

Learn more about what KCNB Online Banking has to offer.

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.