Westmark Credit Union has been helping the people of Idaho grow financially since 1954. We are a full-service financial cooperative, entirely owned by our members and committed to the development of their financial future. Our earnings are used to benefit you by providing a broad portfolio of financial products and services with attractive rates and low fees.


To serve our members, Westmark Credit Union has branch offices and ATMs in many convenient locations in the area. Branch hours are 9:30 a.m. – 6:00 p.m. weekdays and 9:00 a.m. – 1:00 p.m. on Saturday.

Contact Information:
Mailing Address:
P.O. Box 2869
Idaho Falls, ID 83403-2869


Administrative Offices:
2520 Channing Way
Idaho Falls, ID 83404


Phone: (208) 523-1071
Toll-free: 1-(800) 574-5626