Old Second Natl Bank Address
37 S River Street
Aurora, IL 60506
Old Second Natl Bank Phone Number
630-844-8631

Old Second Natl Bank of Illinois - Routing Number

71926867 The routing number for Old Second Natl Bank in Illinois is used on Old Second Natl Bank checks and for direct deposits and wire transfers.

Old Second Natl Bank is a banking institution located in Aurora, IL. The routing number for Old Second Natl Bank is 71926867.

How to use the Old Second Natl Bank Routing Number

Routing number on sample check

Old Second Natl Bank's routing number is the eight or nine-digit number found on the bottom left hand side of Old Second Natl Bank checks, next to your checking account number and check number.

In the sample check on the left, the routing number is circled in red. Your checks may have a slightly different layout.

Your routing number is used like a bank's address, to ensure that financial transactions (like checks and direct deposits) get sent to the correct banking institution. You will need to know the Old Second Natl Bank Routing Number when setting up direct deposit with your employer, receiving direct-deposit benefits or tax refunds from the U.S. Government, or requesting a direct bank wire payment to your bank account.

Unlike your Old Second Natl Bank Bank Account Number, the Old Second Natl Bank Routing Number is the same for all Old Second Natl Bank accounts. If you have both your checking and savings accounts with Old Second Natl Bank, for example, they will both use the same routing number, 71926867.