Idaho First Bank Routing Number: Idaho Banking Guide

What is the Idaho First Bank routing number?

Idaho First Bank uses routing number 124101555 for all ACH transactions and electronic transfers. Idaho First Bank is a community bank headquartered in McCall, Idaho, serving customers across the state with a focus on personal and commercial banking.

Idaho First Bank provides deposit accounts, lending services, mortgage products, and business banking solutions. The bank is committed to serving Idaho communities with local decision-making and personalized financial services.

How to find your Idaho First Bank routing number

Routing number 124101555 is printed on the bottom-left of your Idaho First Bank checks. You can also locate it through Idaho First Bank online banking or the mobile app by viewing your account details.

All Idaho First Bank branch locations across Idaho use the same routing number. Branch staff and customer service can confirm your routing number and assist with setting up electronic transfers.

Idaho First Bank direct deposit and ACH

To set up direct deposit, provide your employer with Idaho First Bank routing number 124101555 and your account number. Idaho First Bank processes payroll, Social Security, and government benefit deposits through standard ACH timelines.

Idaho First Bank supports ACH services for automated bill payments, payroll origination for business accounts, and external account transfers. Online banking tools let you manage recurring payments and monitor incoming deposits.

Idaho First Bank wire transfers

Idaho First Bank supports domestic wire transfers using routing number 124101555. Wire transfers can be initiated at branch locations or through the wire department. Incoming domestic wires typically settle on the same business day.

International wire transfer services are available for customers needing cross-border payments. Contact Idaho First Bank for details on international wire fees, processing timelines, and required recipient information.

Business banking with Slash

Idaho First Bank offers community-focused banking across Idaho. For businesses seeking a modern digital platform, Slash offers instant ACH and wire transfers, unlimited virtual cards, automated expense management, and real-time financial visibility from a single dashboard.

Slash empowers businesses with multi-entity management, team spending controls, native accounting integrations, and up to 2% cashback on card spend — ideal for Idaho businesses looking to modernize their financial operations.