Credit Union Routing Number
Westmark Credit Union Routing Number
The routing number for Westmark Credit Union is 324173079. It is a credit union in Idaho Falls, Idaho, NCUA charter 68353.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Westmark Credit Union
Westmark Credit Union is based in Idaho Falls, Idaho, and has been chartered since 1954. It reported $1.66B in assets for Q2 2026, the 3rd largest of 25 credit unions headquartered in Idaho and 302nd of 4,252 nationally. Assets were $1.57B a year earlier (Q2 2025), so the credit union is larger now. It counted 84,057 members on that report. The NCUA lists 15 branch locations for the credit union.
Record
- Routing number
- 324173079
- NCUA charter number
- 68353
- RSSD ID
- 478494
- Headquarters
- Idaho Falls, Idaho 83404
- Chartered
- 1954
- NCUA insured since
- April 8, 1998
- Total assets (Q2 2026)
- $1.66B
- Members (Q2 2026)
- 84,057
- Branch locations
- 15
- Routing record refreshed
- October 8, 2026
Routing numbers of similar-size institutions in Idaho
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- Bank, Twin Falls, ID
- First Federal Savings Bank of Twin Falls: 324170179
- Bank, McCall, ID
- Idaho First Bank: 124103838
- Credit union, Meridian, ID
- Capital Educators Federal Credit Union: 324172575
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- Potlatch NO.1 Financial Credit Union: 323173313
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View Westmark Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 68353) · FFIEC NIC profile (RSSD 478494)