Business First Bank

b1BANK Mobile Banking is available exclusively to b1BANK Internet Banking customers. Mobile Banking allows you to manage and access your account anytime, anywhere from any device.


Business First Bank Service Telephone

Contact Us:

Online Banking Login

How to Log In

1. Visit the bank’s website


2. The Login is located to the right part of their page.


3. You’ll be directed to another page and required to log in with your Username and Password.


How to Enroll


1. Click Open Account.


2. You will be directed to another page and fill out all the blank fields with the needed information. Click on “Continue“.


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Routing/Wiring Instructions

Business First Bank customers will be required to have a routing number or routing transit number is a 9 digit number that identifies a financial institution in a transaction and the location where your bank account was opened. The most common types of transactions are ACH and wire transfers. You’ll often be asked for your checking account routing number when you’re making a payment online or by phone.

Some banks and financial institutions usually have multiple routing numbers serving different purposes, geographical regions, and branches. Therefore it is important to ensure that you are using the correct routing number before you initiate a money transfer.

A routing number can also be referred to as an RTN, a routing transit number, or an ABA routing number and can be easily be found printed on the bottom of a check or in the online banking portals of the financial institutions.

How to Find Your Routing Numbers on Check

The best way to find the routing number for your Marquette Bank checking, savings, or business account is to look into the lower-left corner of the bank check.

 Routing Number  Swift Number 065405420  Not part of SWIFT network

Branch Locations And Opening Hours


Lobby Hours Drive-Thru Hours

Mon – Fri – 8:30 a.m. – 5:00 p.m.

Mon – Fri – 8:00 a.m. – 6:00 p.m.


Lobby Hours Drive-Thru Hours

Mon – Fri – 8:30 a.m. – 5:00 p.m.
Sat – 9:00 a.m. – 12:00 p.m.

Mon – Fri – 7:30 a.m. – 5:30 p.m.
Sat – 9:00 a.m. – 12:00 p.m.

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Routing number