About SWIFT Code OLSNUS44
OLSNUS44 identifies
Old Second National Bank in Aurora,Il, United States,
on the international SWIFT network. The code breaks down as: bank code
OLSN, country US,
location 44, and branch
XXX (head office).
Use this code when receiving or sending an international wire transfer to Old Second National Bank. You will usually also need the recipient's account number or IBAN. Learn how SWIFT codes work →
Always confirm the SWIFT code with the receiving bank before transferring money - codes can change and branch codes vary by account type.
Frequently Asked Questions
What bank uses SWIFT code OLSNUS44?
OLSNUS44 belongs to Old Second National Bank in Aurora,Il, United States.
Is OLSNUS44 valid for international transfers?
Yes - it's a valid 8-character BIC. Pair it with the recipient's account number or IBAN, and confirm with the bank before wiring money.
What's the difference between an 8 and 11 character code?
8-character codes identify the bank's head office; 11-character codes add a 3-character branch identifier. If no branch code is given, "XXX" (head office) is assumed.