Sumuntongan 3-gil, Daebubuk-dong, Danwon-gu, Ansan-si postal codes (4)
All 4 buildings on Sumuntongan 3-gil in Daebubuk-dong, Danwon-gu, Ansan-si use postal code 15646. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sumuntongan 3-gil 3 | 15646 | |
| Sumuntongan 3-gil 5 | 15646 | |
| Sumuntongan 3-gil 7 | 15646 | |
| Sumuntongan 3-gil 9 | 15646 |