Sudogwon Je2sunhwan Expressway, Geumam-dong, Osan-si postal codes (1)
The one building on Sudogwon Je2sunhwan Expressway in Geumam-dong, Osan-si uses postal code 18102. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sudogwon Je2sunhwan Expressway 14 | 18102 | 오산휴게소 (동탄방향) |