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First Security Bank Division Information

First Security Bank, Division of Glacier bank is owned by Glacier Bancorp, Inc. (GBCI), a regional bank holding company headquartered in Kalispell, Montana.

GBCI proudly operates individual bank divisions that provide world-class financial services to individuals and businesses throughout the Western U.S. Our entire family of banks is available to you whenever and wherever you need us.

The list below provides links to the web sites of all GBCI bank divisions.

Serving Western Montana
Serving Helena, Butte, and Anaconda Areas

Serving Central and North Central Montana

Western Security Bank
Serving the Greater Billings Montana Area


Serving Bozeman, Gallatin County and Surrounding Areas

Serving Throughout Idaho and Washington

Serving Southeast Idaho

Serving Central and Eastern Washington

First bank logo
Serving Western Wyoming

Serving Southeastern Wyoming

Bank of the San Juans logos
Serving Western and Southern Colorado

Serving Metro Denver Upper Arkansas River Valley

Serving Throughout Arizona  

Serving Northern Utah

Heritage Bank of Nevada logo

Serving Northern Nevada