Gujeong-gil, Gongeum-myeon, Gochang-gun postal codes (5)
All 5 buildings on Gujeong-gil in Gongeum-myeon, Gochang-gun use postal code 56461. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Gujeong-gil 18 | 56461 | |
| Gujeong-gil 20 | 56461 | |
| Gujeong-gil 26 | 56461 | |
| Gujeong-gil 28 | 56461 | |
| Gujeong-gil 29 | 56461 |