Old Second National Bank Routing Numbers

In our record, Old Second National Bank has a total of 6 routing numbers.

Routing NumberProcess FedACHProcess FedwireLocationRegistered Name
071001122YYAurora, ILOld Second Bank/aurora
071900760YYAurora, ILOld Second Natl Bk Aurora
071910187YYAurora, ILOld Second Natl Bk Aurora
071916822YYAurora, ILOld Second Natl Bk Aurora
071922887YYAurora, ILOld 2nd Natl Bk Aurora
071926867YNAurora, ILOld 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.
bank check routing number

The routing number information on this page was updated on Feb. 28, 2022

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