Bank Routing Number

First Commercial Bank (U.S.A) Routing Number

The primary ABA routing number (RTN) for First Commercial Bank (U.S.A), Alhambra, CA is shown below.

Primary ABA / RTN

122242377

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 First Commercial Bank (U.S.A) routing number?

The First Commercial Bank (U.S.A) routing number is 122242377. It is the primary ABA routing transit number registered to First Commercial Bank (U.S.A), headquartered in Alhambra, CA. 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 First Commercial Bank (U.S.A) wire routing number?

This page lists 122242377, the primary routing number registered to First Commercial Bank (U.S.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 First Commercial Bank (U.S.A) before sending a wire.

Is ABA number 122242377 the routing number for First Commercial Bank (U.S.A)?

Yes. ABA number 122242377 is the primary routing number registered to First Commercial Bank (U.S.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 122242377?

Routing number 122242377 belongs to First Commercial Bank (U.S.A), headquartered in Alhambra, CA. It is the bank's primary ABA routing number (FDIC certificate 34496).

Routing numbers of similar-size institutions in California

Bank, Alhambra, CA: New Omni Bank, N.A.: 122237858
Credit union, Sacramento, CA: Sacramento Credit Union: 321175520
Credit union, Hawthorne, CA: Skyone Federal Credit Union: 322077779
Bank, San Francisco, CA: Bank of San Francisco: 121044055
Credit union, Martinez, CA: 1st Northern California Credit Union: 321173182
Bank, San Diego, CA: Endeavor Bank: 122245235
Credit union, Glendora, CA: America's Christian Credit Union: 322283767
Credit union, Oxnard, CA: Oceanair Federal Credit Union: 322280993

All routing numbers in California

View First Commercial Bank (U.S.A)'s full profile →

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Regulator records: FDIC BankFind (cert 34496) · FFIEC NIC profile (RSSD 2332910)