The routing number for Westmark Credit Union is 324173079.

Westmark Credit Union is located at this address: Po Box 2869, Idaho Falls, Idaho.

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

Westmark Credit Union
Po Box 2869
Idaho Falls
Idaho
83403-2869

To contact Westmark Credit Union by phone, call: (208) 523-1071

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This page has the contact information and routing numbers for Westmark Credit Union.

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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Westmark Credit Union 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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