Bank Routing Number

Investar Bank, N.A. Routing Number

The primary ABA routing number (RTN) for Investar Bank, N.A., Baton Rouge, LA is shown below.

Primary ABA / RTN

065405459

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Investar Bank, N.A. routing number?

The Investar Bank, N.A. routing number is 065405459. It is the primary ABA routing transit number registered to Investar Bank, N.A., headquartered in Baton Rouge, LA. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Investar Bank, N.A. wire routing number?

This page lists 065405459, the primary routing number registered to Investar Bank, N.A. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Investar Bank, N.A. before sending a wire.

Is ABA number 065405459 the routing number for Investar Bank, N.A.?

Yes. ABA number 065405459 is the primary routing number registered to Investar Bank, N.A. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 065405459?

Routing number 065405459 belongs to Investar Bank, N.A., headquartered in Baton Rouge, LA. It is the bank's primary ABA routing number (FDIC certificate 58316).

Routing numbers in Baton Rouge, LA

Bank: b1BANK: 065405420
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

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Regulator records: FDIC BankFind (cert 58316) · FFIEC NIC profile (RSSD 3449066)