FDIC-insured bank
The First Bank of Greenwich
Bank headquartered in Cos Cob, Connecticut, part of FIRST GREENWICH FINANCIAL INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 444 E Putnam Ave Cos Cob, CT 06807 |
| County | Western Connecticut |
| Website | www.greenwichfirst.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 58307 |
| Federal Reserve RSSD ID | 3466988 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | FIRST GREENWICH FINANCIAL INC |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
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.greenwichfirst.com.
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Offices nearest to headquarters
| The First Bank Of Greenwich main office Cos Cob, CT |
444 E Putnam Ave, 06807 |
| Stamford Branch Stamford, CT |
900 Summer St, 06905 |
| Westchester Branch Port Chester, NY |
500 Westchester Ave, 10573 |