Sadong-gil, Gosu-myeon, Gochang-gun postal codes (22)
All 22 buildings on Sadong-gil in Gosu-myeon, Gochang-gun use postal code 56447. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sadong-gil 40-113 | 56447 | |
| Sadong-gil 40-145 | 56447 | |
| Sadong-gil 40-160 | 56447 | 김기서강학당 |
| Sadong-gil 40-189 | 56447 | |
| Sadong-gil 48 | 56447 | |
| Sadong-gil 50 | 56447 | |
| Sadong-gil 71 | 56447 | |
| Sadong-gil 71-3 | 56447 | |
| Sadong-gil 71-4 | 56447 | |
| Sadong-gil 71-6 | 56447 | |
| Sadong-gil 71-8 | 56447 | |
| Sadong-gil 75 | 56447 | |
| Sadong-gil 77 | 56447 | |
| Sadong-gil 81-5 | 56447 | |
| Sadong-gil 90-39 | 56447 | |
| Sadong-gil 91-4 | 56447 | |
| Sadong-gil 91-10 | 56447 | |
| Sadong-gil 91-12 | 56447 | |
| Sadong-gil 108-39 | 56447 | |
| Sadong-gil 108-60 | 56447 | |
| Sadong-gil 116 | 56447 | |
| Sadong-gil 143 | 56447 |