Contact Westmark Credit Union

Westmark is available wherever and whenever you need us 

Send a Message Report Lost/Stolen Cards 

 1-800-574-5002 (Toll-free)

ABA Routing & Transit Number 

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


Member Service Center
Eastern Idaho: 208-523-1071
1-800-574-5626 (Toll Free)
Treasure Valley/Magic Valley: 208-884-2400
1-855-842-9798 (Toll-Free)

Online Banking Support
1-866-522-3335 (Toll-Free)

Email Us

Report Lost/Stolen Cards

If your Westmark credit or debit card is lost or stolen, call us immediately to report the loss at:

  • (208) 523-1071
  • 1-800-574-5626 (Toll-Free)

If it is after hours or on the weekend, call:

  • Toll-free 1-800-453-4270

If you are out of the country and lost your card, call:

  • 1-727-570-4881