FDIC-insured bank
Altos Bank — Los Altos, CA
Bank headquartered in Los Altos, California.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 467 1st St Los Altos, CA 94022 |
| County | Santa Clara |
| Metro area | San Jose-Sunnyvale-Santa Clara, CA |
| Website | www.altosbank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 59339 |
| Federal Reserve RSSD ID | 5861541 |
| Status | Active |
| Charter class | NM (STATE) |
| Domestic offices | 1 |
| Financials as of | June 30, 2026 |
How to find your Altos Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.altosbank.com.
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Offices nearest to headquarters
| Altos Bank main office Los Altos, CA |
467 1st St, 94022 |
Where Altos Bank has offices
Cities with the most Altos Bank offices
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| Cathay Bank Los Angeles | $24.64 billion |
| Mechanics Bank Walnut Creek | $21.25 billion |
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