First Interstate Bank – Great Falls West Side Branch, Great Falls MT 59403

First Interstate Bank’s Great Falls West Side branch, located at 12 Third Street, N.W., Great Falls, MT 59403, provides a full range of banking services for individuals and businesses. As a nationally recognized bank with FDIC insurance (Certificate #1105), First Interstate Bank ensures your funds are secure while delivering exceptional customer service. With 143 Offices in 6 states, First Interstate Bank is dedicated to helping the Great Falls community manage finances conveniently and efficiently.

The Great Falls West Side branch is a Full Service Office ready to assist with personal banking, business accounts, loans, and more. Knowledgeable staff offer expert guidance and modern banking solutions. Visit today or call 406-454-6200 to experience trusted, professional banking in Montana.

First Interstate Bank Great Falls West Side Branch Details

Want to know when this branch is open? Check Opening Hours for up-to-date timings and details.

Branch Name Great Falls West Side
Phone Number 406-454-6200
Office Address 12 Third Street, N.W., Great Falls, MT 59403
Service Type Full Service Office
State / County Montana - Cascade
City / Town Great Falls
Zip Code 59403

Looking for other locations or nearby branches? Find more banks and branches to explore complete details and contacts.

Bank Type Federal Reserve Member Bank
FDIC Insurance Certificate #1105
Website firstinterstatebank.com
Branch Count 143 Offices in 6 states

Last Verified: August 2025

First Interstate Bank SWIFT Codes – Complete List by City & Branch

Find the official First Interstate Bank SWIFT codes for all major cities and branches. Use these international bank codes for secure wire transfers and global payments. Ensure accurate transactions by selecting the correct SWIFT code for your branch or location.

BranchCitySWIFT Code
First Interstate Bank, BillingsBillingsFRIRUS55

First Interstate Bank Great Falls West Side Branch Hours of Operation

Every branch has its own set of hours; we‘ve listed the daily hours for the main headquarters branch below. It also applies to a variety of other branches; however, you should check your particular branch for more current and up-to-date information.

DayHours of Operation
Monday 9:00 am - 5:00 pm
Tuesday 9:00 am - 5:00 pm
Wednesday 9:00 am - 5:00 pm
Thursday 9:00 am - 5:00 pm
Friday 9:00 am - 6:00 pm
Saturday 9:00 am - 6:00 pm
Sunday closed

Frequently Asked Questions (FAQs)

What services are offered at First Interstate Bank Great Falls West Side?

The Great Falls West Side branch offers full-service banking including personal accounts, business accounts, loans, mortgages, and financial advice.

Is First Interstate Bank Great Falls West Side FDIC insured?

Yes, First Interstate Bank is FDIC insured under Certificate #1105, ensuring your deposits are safe and secure.

What are the branch hours for First Interstate Bank Great Falls West Side?

Branch hours may vary. It's recommended to visit firstinterstatebank.com or call 406-454-6200 for the most accurate schedule.

How can I contact First Interstate Bank Great Falls West Side?

You can call the branch at 406-454-6200 or visit in person at 12 Third Street, N.W., Great Falls, MT 59403, Great Falls, MT 59403.

How many First Interstate Bank branches are there?

First Interstate Bank operates 143 Offices in 6 states, including the Great Falls, Montana branch.