Contact Us

Can We Help You?

You've come to the right spot! We’re here to assist you whether you have a question, comment or action item. We look forward to hearing from you.

To give us a call or contact one of our Credit Union financial experts, please select a branch location from the Business Directory list.

Questions, Comments and Suggestions

At OMISTA, we’re always looking for ways to improve our customers’ experiences. Please fill out the secure Contact Us form with your questions, comments and suggestions so that we can better serve you. Use the drop down list to classify your request and to help us get it to the right people quickly.

Lost or Stolen Cards

During business hours: please contact your branch.
Outside of  business hours
(weekdays 10.a.m. - 5p.m.), please call one of the following numbers:
Credit Union debit card 1-888-277-1043
Collabria credit card (in North America) 1-855-341-4643
Collabria International Collect at 1-647-252-9564


For assistance, please call 1-888-273-3488 or email techsupport@sonomaservices.com

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