OLD SECOND NATIONAL BANK SWIFT/BIC Codes
United States · Bank code OLSN · 1 SWIFT codes · 1 cities
Data updated: 2026-10-13
Main cities
All SWIFT codes 1 total
| SWIFT code | City | Branch / address | Status |
|---|---|---|---|
| OLSNUS44Head office | AURORA, IL | Head office37 S RIVER STREET | Active |
About OLD SECOND NATIONAL BANK SWIFT codes
OLD SECOND NATIONAL BANK uses the bank code OLSN in United States. SWIFT/BIC codes for this bank begin with OLSNUS. Use the exact branch code when the receiving bank requires one, or the 8-character head office code when a default code is accepted.