First Interstate Bank Bonus Offer

Verified InstitutionMember FDIC

Expert Analysis & Market Report

Headquarters: Billings, MT. Assets: $26.36B. Branches: 279. Service area: MT. First Interstate Bank is an FDIC-insured institution listed in our bank directory. Headquarters: Billings, MT. Total assets (FDIC): $26.57M. Branch locations (FDIC): 290. Service area: primarily MT and nearby markets. Official site: firstinterstatebank.com.

As of June 2026, First Interstate Bank is actively running 1 promotional Business Checking offer with a bonus of $400. delivers strong promotions with a community-focused approach.

Offer Update History - Latest May 31st, 2026

  • Presented @ May 31st, 2026: Business Checking offer $400

Business Checking

First Interstate Bank

Business Checking

$400
Sign-up Bonus
Offer Expires:Jun 30, 2026
!
Bonus Requirement & Tips:
-In branch & Colorado and Idaho only
-First Interstate Bank is offering a $400 bonus when you open a new business checking account and complete the following requirements:
-Use promo code 26GROW400 in branch
-Deposit $2,500 within 30 days and maintain the balance for 60 consecutive days

Frequently Asked Questions (FAQ)

Does First Interstate Bank require direct deposit for the bonus?

First Interstate Bank typically requires qualifying direct deposits for checking bonuses. Requirements vary by offer - check specific terms for minimum amounts and timeframes.

Is the First Interstate Bank bonus offer available nationwide?

First Interstate Bank is primarily available in Montana and surrounding areas. Check branch locations to confirm availability in your area.

Can I earn an extra referral bonus at First Interstate Bank?

First Interstate Bank may offer referral bonuses to existing customers. Contact the bank directly to inquire about current referral programs.

Is the First Interstate Bank welcome bonus once per lifetime?

First Interstate Bank typically limits bonuses to new customers who haven't held a similar account in the past 12-24 months. Terms vary by promotion.