Idaho First Bank Routing Number

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 First Bank routing number?

The Idaho First Bank routing number is 124103838. It is the primary ABA routing transit number registered to Idaho First Bank, headquartered in McCall, 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 First Bank wire routing number?

This page lists 124103838, the primary routing number registered to Idaho First 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 First Bank before sending a wire.

Is ABA number 124103838 the routing number for Idaho First Bank?

Yes. ABA number 124103838 is the primary routing number registered to Idaho First 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 124103838?

Routing number 124103838 belongs to Idaho First Bank, headquartered in McCall, ID. It is the bank's primary ABA routing number (FDIC certificate 58095).

Routing numbers of similar-size institutions in Idaho

Credit union, Meridian, ID

Capital Educators Federal Credit Union: 324172575

Bank, Twin Falls, ID

First Federal Savings Bank of Twin Falls: 324170179

Bank, Boise, ID

Northwest Bank: 123206956

Credit union, Idaho Falls, ID

Westmark Credit Union: 324173079

Credit union, Lewiston, ID

Potlatch NO.1 Financial Credit Union: 323173313

Credit union, Idaho Falls, ID

Frontier Credit Union: 324173082

Bank, Idaho Falls, ID

The Bank of Commerce: 124100417

Credit union, Mountain Home, ID

Pioneer Federal Credit Union: 324173383

All routing numbers in Idaho