Gungpyeong-gil, Sillim-myeon, Gochang-gun postal codes (21)
All 21 buildings on Gungpyeong-gil in Sillim-myeon, Gochang-gun use postal code 56423. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Gungpyeong-gil 12-1 | 56423 | |
| Gungpyeong-gil 12-3 | 56423 | |
| Gungpyeong-gil 17 | 56423 | |
| Gungpyeong-gil 42 | 56423 | |
| Gungpyeong-gil 43 | 56423 | |
| Gungpyeong-gil 46 | 56423 | |
| Gungpyeong-gil 50 | 56423 | |
| Gungpyeong-gil 52-1 | 56423 | |
| Gungpyeong-gil 52-2 | 56423 | |
| Gungpyeong-gil 52-3 | 56423 | |
| Gungpyeong-gil 52-5 | 56423 | |
| Gungpyeong-gil 53 | 56423 | |
| Gungpyeong-gil 53-1 | 56423 | |
| Gungpyeong-gil 55 | 56423 | 궁평마을회관 |
| Gungpyeong-gil 56 | 56423 | |
| Gungpyeong-gil 56-8 | 56423 | |
| Gungpyeong-gil 56-10 | 56423 | |
| Gungpyeong-gil 56-11 | 56423 | |
| Gungpyeong-gil 56-13 | 56423 | |
| Gungpyeong-gil 56-28 | 56423 | |
| Gungpyeong-gil 56-38 | 56423 |