Okdong-gil, Seongnae-myeon, Gochang-gun postal codes (19)
All 19 buildings on Okdong-gil in Seongnae-myeon, Gochang-gun use postal code 56421. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Okdong-gil 3 | 56421 | |
| Okdong-gil 8 | 56421 | |
| Okdong-gil 13 | 56421 | |
| Okdong-gil 18-1 | 56421 | 옥동경로당 |
| Okdong-gil 18-7 | 56421 | |
| Okdong-gil 19-1 | 56421 | |
| Okdong-gil 19-2 | 56421 | |
| Okdong-gil 19-3 | 56421 | |
| Okdong-gil 19-4 | 56421 | |
| Okdong-gil 19-5 | 56421 | |
| Okdong-gil 19-6 | 56421 | |
| Okdong-gil 21 | 56421 | |
| Okdong-gil 23-1 | 56421 | |
| Okdong-gil 23-3 | 56421 | |
| Okdong-gil 23-4 | 56421 | |
| Okdong-gil 25 | 56421 | |
| Okdong-gil 27 | 56421 | |
| Okdong-gil 27-3 | 56421 | |
| Okdong-gil 27-5 | 56421 |