First State Bank of Olmsted 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 First State Bank of Olmsted routing number?

The First State Bank of Olmsted routing number is 081220508. It is the primary ABA routing transit number registered to First State Bank of Olmsted, headquartered in Olmsted, IL. 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 First State Bank of Olmsted wire routing number?

This page lists 081220508, the primary routing number registered to First State Bank of Olmsted. 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 First State Bank of Olmsted before sending a wire.

Is ABA number 081220508 the routing number for First State Bank of Olmsted?

Yes. ABA number 081220508 is the primary routing number registered to First State Bank of Olmsted. 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 081220508?

Routing number 081220508 belongs to First State Bank of Olmsted, headquartered in Olmsted, IL. It is the bank's primary ABA routing number (FDIC certificate 10437).

Routing numbers of similar-size institutions in Illinois

Bank, Ava, IL

The First National Bank of Ava: 081211520

Credit union, Sterling, IL

Select Employees Credit Union: 271189608

Bank, Washington, IL

Washington State Bank: 071122276

Bank, Marseilles, IL

Marseilles Bank: 071921956

Bank, Beardstown, IL

Beardstown Savings, S.B.: 271170154

Credit union, Countryside, IL

Midwest Coalition of Labor Credit Union: 271982290

Credit union, Arlington Heights, IL

Metro Federal Credit Union: 271975401

Bank, Kinmundy, IL

Kinmundy Bank: 081208685

All routing numbers in Illinois