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Bank Routing Number

Idaho Trust Bank Routing Number

The primary ABA routing number (RTN) for Idaho Trust Bank, Boise, ID is shown below.

Primary ABA / RTN
124103841
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 Idaho Trust Bank routing number?

The Idaho Trust Bank routing number is 124103841. It is the primary ABA routing transit number registered to Idaho Trust Bank, headquartered in Boise, ID. 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 Idaho Trust Bank wire routing number?

This page lists 124103841, the primary routing number registered to Idaho Trust Bank. 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 Idaho Trust Bank before sending a wire.

Is ABA number 124103841 the routing number for Idaho Trust Bank?

Yes. ABA number 124103841 is the primary routing number registered to Idaho Trust Bank. 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 124103841?

Routing number 124103841 belongs to Idaho Trust Bank, headquartered in Boise, ID. It is the bank's primary ABA routing number (FDIC certificate 35103).

Routing numbers of similar-size institutions in Idaho

Bank, Boise, ID
Northwest Bank: 123206956
Credit union, Boise, ID
Trugrocer Federal Credit Union: 324172465
Credit union, Boise, ID
Boise Fire Department Credit Union: 324172494
Credit union, Pocatello, ID
Connections Credit Union: 324173710
Credit union, Lewiston, ID
Lewis Clark Credit Union: 323173274
Bank, Coeur D'Alene, ID
Bankcda: 123103826
Credit union, Nampa, ID
Clarity Credit Union: 324173422
Credit union, Cottonwood, ID
Cottonwood Community Federal Credit Union: 323172958

All routing numbers in Idaho

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