How many email patterns does First Interstate use?

First Interstate uses 19 known email patterns.

What domain does First Interstate use for work emails?

First Interstate uses firstinterstatebank.com, fib.com, firstinterstate.com for work email addresses.

Most Common Email Formats at First Interstate

First Interstate's most common email format is First.Last@firstinterstatebank.com (ex. John.Doe@firstinterstatebank.com), used for 42% of firstinterstatebank.com addresses. First Interstate uses 7 email patterns across 3 domains: firstinterstatebank.com, fib.com and firstinterstate.com. Percentages are the share of addresses within each domain.

@firstinterstatebank.com

4 patterns

Format	Example	Share of firstinterstatebank.com
First.Last@firstinterstatebank.comMost common	John.Doe@firstinterstatebank.com	42%
FLast@firstinterstatebank.com	JDoe@firstinterstatebank.com	32%
F.Last@firstinterstatebank.com	J.Doe@firstinterstatebank.com	17%
First@firstinterstatebank.com	John@firstinterstatebank.com	9%

@fib.com

2 patterns

Format	Example	Share of fib.com
First.Last@fib.comMost common	John.Doe@fib.com	93%
FLast@fib.com	JDoe@fib.com	7%

@firstinterstate.com

1 pattern

Format	Example	Share of firstinterstate.com
First.Last@firstinterstate.comMost common	John.Doe@firstinterstate.com	100%

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Frequently Asked Questions

What does First Interstate do?

First Interstate was founded in 1968 and operates in the Banking industry, alongside similar companies like Huntington Bancshares, Bank of America and Capital One. You can visit firstinterstatebank.com or contact First Interstate's headquarters by phone at

+1-307-682-****

. Explore First Interstate's company overview page for more information.

What is First Interstate's email address format?

First Interstate's email format typically follows the pattern of First.Last@firstinterstatebank.com; this email format is used 42% of the time. Other contacts within LeadIQ's database had email formats such as FLast@firstinterstatebank.com and F.Last@firstinterstatebank.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does First Interstate have currently?

First Interstate has approximately 5.6K employees as of October 2026. Key team members to contact include Chief Pilot: L. S., Vice President Finance: A. S. and President: C. F. For more team information and contact data, explore First Interstate's employee directory with LeadIQ.

First Interstate Email Format

BankingMontana, United States5001-10000 Employees

First Interstate is a regional bank based in Billings, Montana, offering a range of personal and business banking services, including loans and digital tools. The institution emphasizes meeting customers where they are and helping them reach their financial goals, supported by locally focused service and community involvement. Its operations sit within the banking industry as a community-oriented lender with digital capabilities to support customers.

Recent developments include a partnership with Prolific Banking to deliver a digital Treasury Solutions client onboarding platform, reflecting an emphasis on modernizing customer onboarding. The bank also engages in community activities and charitable initiatives through its foundation, underscoring its local commitments.

Most common format

First.Last@firstinterstatebank.com

Example: John.Doe@firstinterstatebank.com

7 patterns across 3 domains. See all formats

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Most Common Email Formats at First Interstate

@firstinterstatebank.com

@fib.com

@firstinterstate.com

Need a specific person's email?

Frequently Asked Questions

What does First Interstate do?

What is First Interstate's email address format?

How many employees does First Interstate have currently?

First Interstate Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.