Bank Routing Number

Aroostook County Federal Savings & Loan Association Routing Number

The primary ABA routing number (RTN) for Aroostook County Federal Savings & Loan Association, Caribou, ME is shown below.

Primary ABA / RTN

211273794

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 Aroostook County Federal Savings & Loan Association routing number?

The Aroostook County Federal Savings & Loan Association routing number is 211273794. It is the primary ABA routing transit number registered to Aroostook County Federal Savings & Loan Association, headquartered in Caribou, ME. 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 Aroostook County Federal Savings & Loan Association wire routing number?

This page lists 211273794, the primary routing number registered to Aroostook County Federal Savings & Loan Association. 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 Aroostook County Federal Savings & Loan Association before sending a wire.

Is ABA number 211273794 the routing number for Aroostook County Federal Savings & Loan Association?

Yes. ABA number 211273794 is the primary routing number registered to Aroostook County Federal Savings & Loan Association. 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 211273794?

Routing number 211273794 belongs to Aroostook County Federal Savings & Loan Association, headquartered in Caribou, ME. It is the bank's primary ABA routing number (FDIC certificate 29743).

Routing numbers of similar-size institutions in Maine

Credit union, Caribou, ME: County Federal Credit Union the: 211288006
Credit union, Lisbon, ME: Lisbon Community Federal Credit Union: 211287984
Credit union, Dexter, ME: Maine Highlands Federal Credit Union: 211287638
Credit union, Saco, ME: Saco Valley Credit Union: 211288666
Bank, Bath, ME: First Federal Savings and Loan Association of Bath: 211273765
Credit union, Waterville, ME: New Dimensions Federal Credit Union: 211288860
Credit union, Pittsfield, ME: Sebasticook Valley Federal Credit Union: 211288174
Credit union, Bucksport, ME: Seaboard Federal Credit Union: 211287586

All routing numbers in Maine

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Regulator records: FDIC BankFind (cert 29743) · FFIEC NIC profile (RSSD 351878)