b1BANK Routing Number (ABA): 065405420

b1BANK at a glance

Its CET1 capital ratio was 12.33% at Q2 2026, above regulatory requirements.

Total assets, Q2 2026

$8.89B

CET1 ratio, Q2 2026

12.33%

Deposit insurance

FDIC

Regulator

FDIC

Domestic offices

63 FDIC institution directory, current count

Latest call report

Q2 2026, FFIEC 041

Established

2006

Full financial profile · Is b1BANK safe? · b1BANK call report · Branch locations

What the digits mean

The first two digits, 06, place this number in the Federal Reserve Bank of Atlanta's district (District 6). Digits five through eight, 0542, identify the institution within that district. The last digit, 0, is a check digit, and the number passes the standard check: weight the nine digits 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum is a multiple of 10.

Before you send money to b1BANK

A routing number tells the payment network which financial institution holds an account. You give it with an account number for ACH transfers through the automated clearing house, such as direct deposit, bill pay and transfers from a checking account, which usually settle in one to two business days. An international wire to a US account normally needs the bank's SWIFT code as well.

Match this number against the one on your b1BANK checks or in its online banking. Ask the bank for wire instructions (www.b1bank.com). Our record does not show whether this number receives wires. The Federal Reserve's E-Payments Routing Directory shows it: its Fedwire participant search lists the numbers that can receive Fedwire transfers, and its FedACH search lists those that receive ACH payments. How to confirm any routing number.

About b1BANK

b1BANK is headquartered in Baton Rouge, Louisiana and was established in 2006. It is in the BATON ROUGE, LA metro area. It reported $8.89B in total assets and $7.27B in deposits for Q2 2026, the 2nd largest of the 102 banks headquartered in Louisiana. It reports 63 domestic offices. Its deposits have been FDIC insured since 2006. Its primary federal regulator is the FDIC. 19 other banks and credit unions headquartered in Baton Rouge have a routing number listed here.

What the digits in 065405420 mean

The first four digits, 0654, are the Federal Reserve routing symbol. The prefix 06 places the number in the 6th Federal Reserve District (Atlanta). That is also the district where the bank is headquartered. Digits five through eight, 0542, identify the institution within its Federal Reserve district. The last digit, 0, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 8 + 7 x 8 + 10 = 90, a multiple of 10, so 065405420 is a well-formed routing number. A mistyped digit almost always breaks that sum.

What is the b1BANK routing number?

The b1BANK routing number is 065405420. It is the primary ABA routing transit number registered to b1BANK, headquartered in Baton Rouge, LA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.

What is the b1BANK wire routing number?

This page lists the primary routing number registered to b1BANK. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with b1BANK before sending a wire.

Is ABA number 065405420 the routing number for b1BANK?

Yes. It is the primary routing number registered to b1BANK.

Which bank uses routing number 065405420?

It belongs to b1BANK, headquartered in Baton Rouge, LA. It is the bank's primary ABA routing number (FDIC certificate 58228).

Routing numbers in Baton Rouge, LA

Bank

Investar Bank, N.A.: 065405459

Credit union

Neighbors Federal Credit Union: 265473317

Credit union

EFCU Financial Federal Credit Union: 265473511

Bank

First National Bankers Bank: 065403370

Credit union

Campus Federal Credit Union: 265473401

Credit union

Pelican Credit Union: 265473485

Credit union

La Capitol Federal Credit Union: 265473582

Credit union

Baton Rouge Telco Federal Credit Union: 265473320

All routing numbers in Louisiana