This article is current as of June 2026. Financial institution routing numbers are subject to change. Always verify routing information directly with Westmark Credit Union before initiating transfers, particularly for large transactions.
Use 324173593 .
: Securely moving funds between financial institutions within the U.S. Identifying the Number on a Check
At its core, a routing number—also known as an ABA (American Bankers Association) routing transit number—is a nine-digit code used to identify a financial institution in the United States. Established in 1910 by the American Bankers Association, the system was originally designed to facilitate the sorting and delivery of paper checks to the correct banks. Today, its utility has expanded far beyond paper checks; it is the foundational address used for direct deposits, wire transfers, Automatic Clearing House (ACH) transactions, and bill payments. Without this number, money sent from one bank to another would have no destination address, resulting in failed transactions. routing number for westmark credit union
This 9-digit code—assigned by the American Bankers Association (ABA)—is used to identify Westmark Credit Union for all domestic financial transactions, including across its operations.
To have your paycheck, social security benefits, or tax refunds automatically deposited into your account, your employer or the government will require this nine-digit code.
To ensure you are using the correct routing number and avoid transfer delays or errors, you should: This article is current as of June 2026
This routing number is the same for all Westmark branches, but it's always good to verify it directly from your personal documents or the official website. You can typically find it in the following places:
The routing number is usually listed next to your account number. 4. Contact Westmark Directly
Unlike massive national commercial banks that use dozens of regional routing numbers, Westmark Credit Union maintains a simplified structure. The institution relies on a single, primary transit number for its branch network throughout Idaho, including Idaho Falls, Boise, Meridian, Nampa, Twin Falls, and Pocatello. Financial Institution Routing Number (ABA) Supported Transaction Types Main Location 324173079 ACH, Direct Deposit, Paper Checks, Domestic Wires Idaho Falls, ID How to Find Your Westmark Routing Number Use 324173593
Connect your Westmark account to external apps like PayPal, Venmo, or other banking platforms.
| Service | Routing Number | | --- | --- | | ACH transfers / Direct deposit | 324173931 | | Domestic wire transfers | 324173931 (call to confirm) | | International wires | Varies – contact Westmark | | Paper checks (bottom left) | 324173931 |