Sangmu-daero 1223beon-gil, Yang-dong, Seo-gu postal codes (3)
All 3 buildings on Sangmu-daero 1223beon-gil in Yang-dong, Seo-gu use postal code 61919. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sangmu-daero 1223beon-gil 12 | 61919 | |
| Sangmu-daero 1223beon-gil 15 | 61919 | |
| Sangmu-daero 1223beon-gil 16 | 61919 | 양3동 주민센터 |