Bank routing number ยท Los Angeles, California
Cathay Bank Routing Number (ABA): 122203950
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The Cathay Bank routing number is 122203950. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 25, 2026.
Cathay Bank at a glance
Its CET1 capital ratio was 13.98% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $24.64B
- CET1 ratio, Q2 2026
- 13.98%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Domestic offices
- 65 FDIC institution directory, current count
- Latest call report
- Q2 2026, FFIEC 031
- Established
- 1962
Full financial profile · Is Cathay Bank safe? · Cathay Bank call report · Branch locations
Cathay Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 122203950 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 25, 2026. NIC holds one primary number per bank; Cathay 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, 0395, identify the institution within that district. The last digit, 0, 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 Cathay 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 Cathay Bank checks or in its online banking. Ask the bank for wire instructions (www.cathaybank.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 Cathay Bank
Cathay Bank is headquartered in Los Angeles, California and was established in 1962. It is in the LOS ANGELES-LONG BEACH-ANAHEIM, CA metro area. It reported $24.64B in total assets and $21.12B in deposits for Q2 2026, the 5th largest of the 113 banks headquartered in California. It reports 65 domestic offices. Its deposits have been FDIC insured since 1962. Its primary federal regulator is the FDIC. 30 other banks and credit unions headquartered in Los Angeles have a routing number listed here.
What the digits in 122203950 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, 0395, identify the institution within its Federal Reserve district. The last digit, 0, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 12 + 7 x 7 + 5 = 90, a multiple of 10, so 122203950 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Cathay Bank routing number?
The Cathay Bank routing number is 122203950. It is the primary ABA routing transit number registered to Cathay Bank, headquartered in Los Angeles, CA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 25, 2026.
What is the Cathay Bank wire routing number?
This page lists the primary routing number registered to Cathay Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Cathay Bank before sending a wire.
Is ABA number 122203950 the routing number for Cathay Bank?
Yes. It is the primary routing number registered to Cathay Bank.
Which bank uses routing number 122203950?
It belongs to Cathay Bank, headquartered in Los Angeles, CA. It is the bank's primary ABA routing number (FDIC certificate 18503).
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View Cathay Bank's full profile →
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Regulator records: FDIC BankFind (cert 18503) · FFIEC NIC profile (RSSD 595869)