Hanjeong-gil, Seongnae-myeon, Gochang-gun postal codes (21)
All 21 buildings on Hanjeong-gil in Seongnae-myeon, Gochang-gun use postal code 56421. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Hanjeong-gil 13-1 | 56421 | |
| Hanjeong-gil 13-3 | 56421 | |
| Hanjeong-gil 14 | 56421 | |
| Hanjeong-gil 15 | 56421 | |
| Hanjeong-gil 16 | 56421 | |
| Hanjeong-gil 17 | 56421 | |
| Hanjeong-gil 18 | 56421 | |
| Hanjeong-gil 20 | 56421 | |
| Hanjeong-gil 22 | 56421 | |
| Hanjeong-gil 23 | 56421 | 한정마을회관 |
| Hanjeong-gil 23-7 | 56421 | |
| Hanjeong-gil 23-9 | 56421 | |
| Hanjeong-gil 23-11 | 56421 | |
| Hanjeong-gil 23-15 | 56421 | |
| Hanjeong-gil 23-21 | 56421 | |
| Hanjeong-gil 23-31 | 56421 | |
| Hanjeong-gil 28 | 56421 | |
| Hanjeong-gil 44-8 | 56421 | 성내잔디 |
| Hanjeong-gil 44-10 | 56421 | |
| Hanjeong-gil 47 | 56421 | |
| Hanjeong-gil 49 | 56421 |