Armstrong Bank Routing Number

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 Armstrong Bank routing number?

The Armstrong Bank routing number is 103104528. It is the primary ABA routing transit number registered to Armstrong Bank, headquartered in Muskogee, OK. 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 10, 2026.

What is the Armstrong Bank wire routing number?

This page lists 103104528, the primary routing number registered to Armstrong Bank. 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 Armstrong Bank before sending a wire.

Is ABA number 103104528 the routing number for Armstrong Bank?

Yes. ABA number 103104528 is the primary routing number registered to Armstrong Bank. 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 103104528?

Routing number 103104528 belongs to Armstrong Bank, headquartered in Muskogee, OK. It is the bank's primary ABA routing number (FDIC certificate 2315).

Routing numbers of similar-size institutions in Oklahoma

Credit union, Muskogee, OK

Muskogee Federal Credit Union: 303185059

Bank, Oklahoma City, OK

First Fidelity Bank: 103002691

Credit union, Tulsa, OK

Ttcu Federal Credit Union: 303986313

Credit union, Oklahoma City, OK

Communication Federal Credit Union: 303085476

Bank, Tulsa, OK

Regent Bank: 103101356

Bank, Jenks, OK

Gateway First Bank: 103112552

Bank, Claremore, OK

RCB Bank: 103112594

Bank, Bixby, OK

Mabrey Bank: 103112112

All routing numbers in Oklahoma