Dongmun-ro 20beon-gil, Ganghwa-eup, Ganghwa-gun postal codes (18)
All 18 buildings on Dongmun-ro 20beon-gil in Ganghwa-eup, Ganghwa-gun use postal code 23036. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Dongmun-ro 20beon-gil 3 | 23036 | |
| Dongmun-ro 20beon-gil 5 | 23036 | |
| Dongmun-ro 20beon-gil 6 | 23036 | |
| Dongmun-ro 20beon-gil 6-1 | 23036 | |
| Dongmun-ro 20beon-gil 6-2 | 23036 | |
| Dongmun-ro 20beon-gil 6-3 | 23036 | |
| Dongmun-ro 20beon-gil 6-5 | 23036 | |
| Dongmun-ro 20beon-gil 6-7 | 23036 | |
| Dongmun-ro 20beon-gil 7 | 23036 | |
| Dongmun-ro 20beon-gil 7-1 | 23036 | |
| Dongmun-ro 20beon-gil 8 | 23036 | |
| Dongmun-ro 20beon-gil 8-1 | 23036 | |
| Dongmun-ro 20beon-gil 9 | 23036 | |
| Dongmun-ro 20beon-gil 11 | 23036 | |
| Dongmun-ro 20beon-gil 12 | 23036 | |
| Dongmun-ro 20beon-gil 12-1 | 23036 | |
| Dongmun-ro 20beon-gil 13 | 23036 | |
| Dongmun-ro 20beon-gil 13-1 | 23036 |