Bank Routing Number

The First Bank of Greenwich Routing Number

The primary ABA routing number (RTN) for The First Bank of Greenwich, Cos Cob, CT is shown below.

Primary ABA / RTN

021114153

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the The First Bank of Greenwich routing number?

The The First Bank of Greenwich routing number is 021114153. It is the primary ABA routing transit number registered to The First Bank of Greenwich, headquartered in Cos Cob, CT. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the The First Bank of Greenwich wire routing number?

This page lists 021114153, the primary routing number registered to The First Bank of Greenwich. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with The First Bank of Greenwich before sending a wire.

Is ABA number 021114153 the routing number for The First Bank of Greenwich?

Yes. ABA number 021114153 is the primary routing number registered to The First Bank of Greenwich. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 021114153?

Routing number 021114153 belongs to The First Bank of Greenwich, headquartered in Cos Cob, CT. It is the bank's primary ABA routing number (FDIC certificate 58307).

Routing numbers of similar-size institutions in Connecticut

Bank, Greenwich, CT: Fieldpoint Private Bank & Trust: 021172784
Bank, Windsor, CT: Windsor Federal Bank: 211170237
Bank, Darien, CT: Dr Bank: 021114111
Credit union, Rocky Hill, CT: Nutmeg State Financial Credit Union: 211977362
Credit union, Norwich, CT: Waypoint Federal Credit Union: 211178598
Bank, Torrington, CT: The Torrington Savings Bank: 211174165
Bank, Milford, CT: Milford Bank the: 211170211
Credit union, North Haven, CT: Connex Credit Union, Inc: 211178200

All routing numbers in Connecticut

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Regulator records: FDIC BankFind (cert 58307) · FFIEC NIC profile (RSSD 3466988)