Bank Routing Number
Republic Bank of Chicago Routing Number
The primary ABA routing number (RTN) for Republic Bank of Chicago, Oak Brook, IL is shown below.
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 Republic Bank of Chicago routing number?
The Republic Bank of Chicago routing number is 071001180. It is the primary ABA routing transit number registered to Republic Bank of Chicago, headquartered in Oak Brook, 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 Republic Bank of Chicago wire routing number?
This page lists 071001180, the primary routing number registered to Republic Bank of Chicago. 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 Republic Bank of Chicago before sending a wire.
Is ABA number 071001180 the routing number for Republic Bank of Chicago?
Yes. ABA number 071001180 is the primary routing number registered to Republic Bank of Chicago. 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 071001180?
Routing number 071001180 belongs to Republic Bank of Chicago, headquartered in Oak Brook, IL. It is the bank's primary ABA routing number (FDIC certificate 19333).
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View Republic Bank of Chicago's full profile →
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Regulator records: FDIC BankFind (cert 19333) · FFIEC NIC profile (RSSD 671334)