First Southwest Bank Routing Numbers

The routing number for First Southwest Bank is 102107034.

First Southwest Bank is located at this address: 720 Main Street, Alamosa, Colorado.

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

First Southwest Bank
720 Main Street
Alamosa
Colorado
81101-0000

To contact First Southwest Bank by phone, call: (719) 587-4200

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Please Note:

This page has the contact information and routing numbers for First Southwest Bank.

You'll find information like phone number, full address, zip code, routing numbers and more.

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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First Southwest Bank * 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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