Contact Us

For more information about our
banking products and services,
or to open an account, please
call or come by one of our two
locations or contact us online.

Customer Service Line

24-Hour Telebanc
1-888-862-1TNB (1862)

Mercedes Locations
201 S. Texas
Ph: (956) 565-2485
Fx: (956) 565-5050

Edinburg Location
4908 S. Jackson
Ph: (956) 217-7100
Fx: (956) 217-7150


Great News!!  Texas National Bank is proud to offer our customers access to their accounts on a smartphone.  All customers currently using online banking can sign up for the TNB mobile app. The TNB app is available for both Apple IOS and android devices.  Please contact any of our helpful customer services representatives if you require assistance.

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