International Bank of Commerce 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 International Bank of Commerce routing number?

The International Bank of Commerce routing number is 303072793. It is the primary ABA routing transit number registered to International Bank of Commerce, headquartered in Oklahoma City, 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 8, 2026.

What is the International Bank of Commerce wire routing number?

This page lists 303072793, the primary routing number registered to International Bank of Commerce. 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 International Bank of Commerce before sending a wire.

Is ABA number 303072793 the routing number for International Bank of Commerce?

Yes. ABA number 303072793 is the primary routing number registered to International Bank of Commerce. 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 303072793?

Routing number 303072793 belongs to International Bank of Commerce, headquartered in Oklahoma City, OK. It is the bank's primary ABA routing number (FDIC certificate 59093).

Routing numbers in Oklahoma City, OK

Bank

MidFirst Bank: 303087995

Bank

BancFirst: 103003632

Credit union

Tinker Federal Credit Union: 303085829

Bank

Interbank: 103000703

Bank

First Fidelity Bank: 103002691

Credit union

Communication Federal Credit Union: 303085476

Bank

Bank7: 103103778

Credit union

Weokie Federal Credit Union: 303085638

All routing numbers in Oklahoma