Josan-gil, Gosu-myeon, Gochang-gun postal codes (16)
All 16 buildings on Josan-gil in Gosu-myeon, Gochang-gun use postal code 56447. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Josan-gil 12-1 | 56447 | |
| Josan-gil 12-3 | 56447 | |
| Josan-gil 12-4 | 56447 | |
| Josan-gil 12-12 | 56447 | |
| Josan-gil 16 | 56447 | |
| Josan-gil 18 | 56447 | |
| Josan-gil 20 | 56447 | |
| Josan-gil 22 | 56447 | |
| Josan-gil 28 | 56447 | |
| Josan-gil 28-3 | 56447 | |
| Josan-gil 28-6 | 56447 | |
| Josan-gil 28-9 | 56447 | |
| Josan-gil 28-24 | 56447 | |
| Josan-gil 28-26 | 56447 | |
| Josan-gil 34 | 56447 | |
| Josan-gil 36 | 56447 |