Home > Illinois Banks > Oswego Banks > Old Second National Bank Oswego > Old Second National Bank, OSWEGO 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
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