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Bank Routing Number

1st Bank of Sea Isle City Routing Number

The primary ABA routing number (RTN) for 1st Bank of Sea Isle City, Sea Isle City, NJ is shown below.

Primary ABA / RTN
231271242
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 1st Bank of Sea Isle City routing number?

The 1st Bank of Sea Isle City routing number is 231271242. It is the primary ABA routing transit number registered to 1st Bank of Sea Isle City, headquartered in Sea Isle City, NJ. 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 1st Bank of Sea Isle City wire routing number?

This page lists 231271242, the primary routing number registered to 1st Bank of Sea Isle City. 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 1st Bank of Sea Isle City before sending a wire.

Is ABA number 231271242 the routing number for 1st Bank of Sea Isle City?

Yes. ABA number 231271242 is the primary routing number registered to 1st Bank of Sea Isle City. 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 231271242?

Routing number 231271242 belongs to 1st Bank of Sea Isle City, headquartered in Sea Isle City, NJ. It is the bank's primary ABA routing number (FDIC certificate 30367).

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