Suncheon Wanju Expressway, Seo-myeon, Suncheon-si postal codes (3)
On Suncheon Wanju Expressway in Seo-myeon, Suncheon-si the postal code depends on the building number: number 9 use 57903, numbers 10–11 use 57904. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Suncheon Wanju Expressway 9 | 57903 | 서면1터널관리동 |
| Suncheon Wanju Expressway 10 | 57904 | |
| Suncheon Wanju Expressway 11 | 57904 | 서면2터널관리동 |