FDIC-insured bank
b1BANK — Baton Rouge, LA
Bank headquartered in Baton Rouge, Louisiana, part of BUSINESS FIRST BANCSHARES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 500 Laurel St Baton Rouge, LA 70801 |
| County | East Baton Rouge |
| Metro area | Baton Rouge, LA |
| Website | www.b1bank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 58228 |
| Federal Reserve RSSD ID | 3408728 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | BUSINESS FIRST BANCSHARES INC |
| Domestic offices | 63 |
| Financials as of | June 30, 2026 |
How to find your b1BANK routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.b1bank.com.
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Offices nearest to headquarters
| B1Bank main office Baton Rouge, LA |
500 Laurel St, 70801 |
| Port Allen Banking Center Branch Port Allen, LA |
320 N Alexander Ave, 70767 |
| Baton Rouge - Jefferson Hwy Banking Center Branch Baton Rouge, LA |
7880 Jefferson Hwy, 70809 |
| Brusly Banking Center Branch Brusly, LA |
729 S Vaughan Dr, 70719 |
| Bluebonnet Banking Center Branch Baton Rouge, LA |
9100 Bluebonnet Centre Blvd, 70809 |
| Baton Rouge - Coursey Blvd Banking Center Branch Baton Rouge, LA |
11307 Coursey Blvd, 70816 |
| Baton Rouge Highland Road Branch Baton Rouge, LA |
19980 Highland Rd, 70809 |
| Denham Springs Banking Center Branch Denham Springs, LA |
31635 Louisiana Highway 16, 70726 |
| Gonzales Banking Center Branch Gonzales, LA |
1821 W Highway 30, 70737 |
| St. Martinville Banking Center Branch Saint Martinville, LA |
606 S Main St, 70582 |
| Breaux Bridge Banking Center Branch Breaux Bridge, LA |
1790 Rees St, 70517 |
| Thibodaux Banking Center Branch Thibodaux, LA |
107 Canal Blvd, 70301 |
60 offices in total. Browse them by city through the state pages.
Where b1BANK has offices
Cities with the most b1BANK offices
Other banks headquartered in Baton Rouge
| Investar Bank, National Association | $3.85 billion |
| First National Banker's Bank | $982.97 million |
| Currency Bank | $248.55 million |
Largest banks headquartered elsewhere in Louisiana
| Origin Bank Choudrant | $10.18 billion |
| First Guaranty Bank Hammond | $3.89 billion |
| Gulf Coast Bank and Trust Company New Orleans | $3.86 billion |
| Home Bank, National Association Lafayette | $3.60 billion |
| Red River Bank Alexandria | $3.31 billion |
| BOM Bank Natchitoches | $1.61 billion |
| Bonvenu Bank, National Association Bossier City | $1.55 billion |
| First American Bank and Trust Vacherie | $1.38 billion |
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