First Interstate Customer Support

We list here the best ways to contact First Interstate customer service. Contact channels for First Interstate include: Phone, website, email address, social media account and more.

Contact Channels:

First Interstate Customer Service – Phone

The phone number of First Interstate customer service is: 855-342-3400.

Contact center operating hours: Monday-Friday: 7:30am-7pm MT
Saturday: 10am-2pm MT.

First Interstate Customer Service – Website

Customer service options, knowledge base, FAQ, self service and contact forms on the First Interstate website: Visit.

First Interstate Customer Service – Email

– No customer support email was published.

First Interstate Customer Service – Twitter

– No customer support options on the company’s twitter account.

First Interstate Customer Service – Facebook

Customers can contact First Interstate on the company’s official Facebook page: Click here.

First Interstate Customer Service – Chat

– No customer support chat option.

First Interstate Customer Service – Address

The postal address of First Interstate customer service or head office: 401 North 31st Street, Billings, Montana 59101, USA.


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