Bank routing number ยท San Gabriel, California
Mega Bank Routing Number (ABA): 122244870
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The Mega Bank routing number is 122244870. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 25, 2026.
Mega Bank at a glance
Its CET1 capital ratio was 16.35% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $506.7M
- CET1 ratio, Q2 2026
- 16.35%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Domestic offices
- 4 FDIC institution directory, current count
- Established
- 2008
Full financial profile · Is Mega Bank safe? · Branch locations
Mega Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 122244870 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 25, 2026. NIC holds one primary number per bank; Mega 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, 4487, 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 Mega 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 Mega Bank checks or in its online banking. Ask the bank for wire instructions (https://www.megabankusa.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 Mega Bank
Mega Bank is headquartered in San Gabriel, California and was established in 2008. It is in the LOS ANGELES-LONG BEACH-ANAHEIM, CA metro area. It reported $506.7M in total assets and $426.1M in deposits for Q2 2026, the 80th largest of the 113 banks headquartered in California. It reports 4 domestic offices. Its deposits have been FDIC insured since 2008. Its primary federal regulator is the FDIC. 2 other banks and credit unions headquartered in San Gabriel have a routing number listed here.
What the digits in 122244870 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, 4487, 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 11 + 7 x 13 + 6 = 130, a multiple of 10, so 122244870 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Mega Bank routing number?
The Mega Bank routing number is 122244870. It is the primary ABA routing transit number registered to Mega Bank, headquartered in San Gabriel, CA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 25, 2026.
What is the Mega Bank wire routing number?
This page lists the primary routing number registered to Mega Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Mega Bank before sending a wire.
Is ABA number 122244870 the routing number for Mega Bank?
Yes. It is the primary routing number registered to Mega Bank.
Which bank uses routing number 122244870?
It belongs to Mega Bank, headquartered in San Gabriel, CA. It is the bank's primary ABA routing number (FDIC certificate 58401).
Routing numbers of similar-size institutions in California
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- Bank, Chino, CA
- Chino Commercial Bank, N.A.: 122243062
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- Credit union, Sacramento, CA
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- Wheelhouse Credit Union: 322281549
View Mega Bank's full profile →
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Regulator records: FDIC BankFind (cert 58401) · FFIEC NIC profile (RSSD 3690635)