Home > Illinois Banks > Darien Banks > Old Second National Bank Darien > Old Second National Bank, DARIEN BRANCH > Routing Numbers
Old Second National Bank Routing Numbers
In our record, Old Second National Bank has a total of 6 routing numbers.
| Routing Number | Process FedACH | Process Fedwire | Location | Registered Name |
| 071001122 | Y | Y | Aurora, IL | Old Second Bank/aurora |
| 071900760 | Y | Y | Aurora, IL | Old Second Natl Bk Aurora |
| 071910187 | Y | Y | Aurora, IL | Old Second Natl Bk Aurora |
| 071916822 | Y | Y | Aurora, IL | Old Second Natl Bk Aurora |
| 071922887 | Y | Y | Aurora, IL | Old 2nd Natl Bk Aurora |
| 071926867 | Y | N | Aurora, IL | Old Second Natl Bank |
A routing number is a nine digit code, used in the United States to identify the financial institution. Routing numbers are used by Federal Reserve Banks to process Fedwire funds transfers, and ACH(Automated Clearing House) direct deposits, bill payments, and other automated transfers. The routing number can be found on your check.
The routing number information on this page was updated on Mar. 25, 2024
Banks Nearby
Old Second National Bank, CASS AVENUE BRANCH (0.3 miles)
Full Service Brick and Mortar Office
8001 Cass Ave
Darien, IL 60561
Full Service Brick and Mortar Office
8001 Cass Ave
Darien, IL 60561
JPMorgan Chase Bank, DARIEN & 75TH STREET BRANCH (0.9 miles)
Full Service Brick and Mortar Office
7501 Cass Ave
Darien, IL 60561
Full Service Brick and Mortar Office
7501 Cass Ave
Darien, IL 60561
The Huntington National Bank, DARIEN JEWEL BRANCH #2228 (1.1 miles)
Full Service Retail Office
7335 Cass Ave
Darien, IL 60561
Full Service Retail Office
7335 Cass Ave
Darien, IL 60561
Republic Bank of Chicago, DARIEN BRANCH (1.1 miles)
Full Service Brick and Mortar Office
1510 75th St
Darien, IL 60561
Full Service Brick and Mortar Office
1510 75th St
Darien, IL 60561
