The routing number for Southwestern National Bank is 113024009.

Southwestern National Bank is located at this address: 6901 Corporate Drive, Houston, Texas.

In case of mail delivery, this is the full address you should use:

Southwestern National Bank
6901 Corporate Drive
Houston
Texas
77036-0000

To contact Southwestern National Bank by phone, call: (713) 995-3220

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This page has the contact information and routing numbers for Southwestern National Bank.

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We are working hard to keep the site updated, however, we cannot guarantee that the information on the site is fully updated at any point in time as changes may occur at any time we encourage you to validate the information with your bank.

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Southwestern National Bank Check example * Sometimes the routing number is written after the account number and not before.

Routing Numbers General Information

Routing number is a 9 digit number given to a bank by the ABA (American Bankers Association) in order to recognize the bank for which payment is being sent to.

Routing numbers are often called ABA numbers, Check routing numbers, or Routing transit numbers (RTN).

Routing numbers change from bank to bank and from one bank location to another, there are also different routing numbers for different transactions.

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