Donjiseom 1-gil, Daebubuk-dong, Danwon-gu, Ansan-si postal codes (4)
All 4 buildings on Donjiseom 1-gil in Daebubuk-dong, Danwon-gu, Ansan-si use postal code 15640. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Donjiseom 1-gil 10 | 15640 | |
| Donjiseom 1-gil 20 | 15640 | |
| Donjiseom 1-gil 39 | 15640 | |
| Donjiseom 1-gil 67 | 15640 |