b1BANK Routing Number: Louisiana Banking Guide

What is the b1BANK routing number?

b1BANK uses routing number 065400153 for all ACH transactions and electronic transfers. b1BANK is the banking subsidiary of Business First Bancshares Inc., headquartered in Baton Rouge, Louisiana, with branches across Louisiana, Texas, and the Dallas-Fort Worth area.

Business First Bancshares has grown to over $7 billion in assets through strategic acquisitions and organic expansion. b1BANK provides commercial banking, personal banking, treasury management, and wealth services to individuals and businesses throughout its footprint.

How to find your b1BANK routing number

Routing number 065400153 is printed on the bottom-left of your b1BANK checks. You can also find it through b1BANK online banking or the mobile app by navigating to your account details.

All b1BANK branch locations across Louisiana and Texas use the same routing number. Customer service and branch staff can verify your routing number and help with electronic transfer configuration.

b1BANK direct deposit and ACH

To set up direct deposit, provide your employer with b1BANK routing number 065400153 and your account number. b1BANK processes payroll, Social Security, and government benefit deposits through standard ACH timelines.

b1BANK supports full ACH services including bill payments, payroll origination for business accounts, and external account transfers. Online banking tools allow you to schedule recurring payments and manage transfer workflows.

b1BANK wire transfers

b1BANK supports domestic wire transfers using routing number 065400153. Wire transfers can be initiated at branch locations or through the wire department. Incoming domestic wires typically post on the same business day.

International wire transfer services are available for customers needing cross-border payments. Contact your b1BANK branch for details on international wire fees, processing timelines, and required recipient information.

Business banking with Slash

b1BANK delivers strong commercial banking across Louisiana and Texas. For businesses seeking a modern digital banking platform, Slash offers instant ACH and wire transfers, unlimited virtual cards, automated expense management, and real-time financial reporting from a single dashboard.

Slash provides multi-entity management, team spending controls, native accounting integrations, and up to 2% cashback on card spend — ideal for businesses that want to complement their banking with modern financial tools.