Mountain West Bank Routing Number: Idaho Banking Guide

What is the Mountain West Bank routing number?

Mountain West Bank uses routing number 124101555. Mountain West Bank is an FDIC-insured community bank headquartered in Coeur d'Alene, Idaho, operating as a subsidiary of Glacier Bancorp, Inc.

Mountain West Bank serves communities across Idaho and eastern Washington with personal and business banking, mortgage lending, and wealth management services. As part of the Glacier Bancorp family, it benefits from the resources of a larger banking organization while maintaining local decision-making.

How to find your Mountain West Bank routing number

Log into Mountain West Bank's online banking or mobile app and view your account details. Your routing number (124101555) and account number are displayed in the account information section.

The routing number is also printed on Mountain West Bank checks at the bottom-left corner. All Mountain West Bank accounts share the same routing number regardless of branch location.

Mountain West Bank wire and ACH transfers

Mountain West Bank supports ACH transfers for direct deposits, recurring payments, and account-to-account transfers. Use routing number 124101555 for incoming ACH deposits and payroll setup.

Domestic wire transfers are available for urgent payments. Wires can be initiated through online banking or by visiting a Mountain West Bank branch. Wire fees apply based on the type of transfer.

Mountain West Bank business services

Mountain West Bank offers business checking and savings accounts, commercial real estate loans, construction financing, and lines of credit. The bank is well-known in Idaho for supporting local businesses and agricultural operations.

Business services include treasury management, remote deposit capture, merchant processing, and payroll services. Mountain West Bank combines community banking expertise with the financial strength of Glacier Bancorp.

Business banking with Slash

Mountain West Bank provides excellent community banking across Idaho. For businesses that need a digital-first platform, Slash offers unlimited virtual cards, up to 2% cashback, automated expense management, and full ACH and wire transfer support from anywhere.

While Mountain West Bank excels at in-branch relationships and local lending, Slash provides a modern platform with real-time spend tracking, multi-entity management, and accounting integrations for businesses scaling beyond their local footprint.