Bank routing number ยท Irvine, California
Commercewest Bank Routing Number (ABA): 122243334
BankRegReports is independent of Commercewest Bank and never asks for online banking logins or passwords.
The Commercewest Bank routing number is 122243334. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 27, 2026.
Commercewest Bank at a glance
Its CET1 capital ratio was 16.46% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $1.20B
- CET1 ratio, Q2 2026
- 16.46%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Domestic offices
- 1 FDIC institution directory, current count
- Latest call report
- Q2 2026, FFIEC 041
- Established
- 2001
Full financial profile · Is Commercewest Bank safe? · Commercewest Bank call report · Branch locations
Commercewest Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 122243334 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 27, 2026. NIC holds one primary number per bank; Commercewest Bank publishes any other numbers it uses itself.
What the digits mean
The first two digits, 12, place this number in the Federal Reserve Bank of San Francisco's district (District 12). Digits five through eight, 4333, identify the institution within that district. The last digit, 4, 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 Commercewest Bank
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 Commercewest Bank checks or in its online banking. Ask the bank for wire instructions (www.cwbk.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 Commercewest Bank
Commercewest Bank is headquartered in Irvine, California and was established in 2001. It is in the LOS ANGELES-LONG BEACH-ANAHEIM, CA metro area. It reported $1.20B in total assets and $1.06B in deposits for Q2 2026, the 56th largest of the 113 banks headquartered in California. It reports 1 domestic office. Its deposits have been FDIC insured since 2001. Its primary federal regulator is the Federal Reserve. 5 other banks and credit unions headquartered in Irvine have a routing number listed here.
What the digits in 122243334 mean
The first four digits, 1222, are the Federal Reserve routing symbol. The prefix 12 places the number in the 12th Federal Reserve District (San Francisco). That is also the district where the bank is headquartered. Digits five through eight, 4333, identify the institution within its Federal Reserve district. The last digit, 4, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 6 + 7 x 9 + 9 = 90, a multiple of 10, so 122243334 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Commercewest Bank routing number?
The Commercewest Bank routing number is 122243334. It is the primary ABA routing transit number registered to Commercewest Bank, headquartered in Irvine, CA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.
What is the Commercewest Bank wire routing number?
This page lists the primary routing number registered to Commercewest Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Commercewest Bank before sending a wire.
Is ABA number 122243334 the routing number for Commercewest Bank?
Yes. It is the primary routing number registered to Commercewest Bank.
Which bank uses routing number 122243334?
It belongs to Commercewest Bank, headquartered in Irvine, CA. It is the bank's primary ABA routing number (FDIC certificate 57176).
Routing numbers in Irvine, CA
- Bank
- Commercial Bank of California: 122243596
- Bank
- Liberty Bank N.A.: 122243130
- Bank
- Bank Irvine: 122245387
- Bank
- Beach Cities Commercial Bank: 122245374
- Bank
- California Business Bank: 122044119
View Commercewest Bank's full profile →
More in California: routing numbers and banks. Have a number and want to know whose it is? Use the routing number lookup. New to routing numbers? What a routing number is.
Regulator records: FDIC BankFind (cert 57176) · FFIEC NIC profile (RSSD 3052813)