Bukchon 4-gil, Seonbu-dong, Danwon-gu, Ansan-si postal codes (23)
On Bukchon 4-gil in Seonbu-dong, Danwon-gu, Ansan-si the postal code depends on the building number: numbers 1–12 use 15222, numbers 15–24 use 15221. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Bukchon 4-gil 1 | 15222 | |
| Bukchon 4-gil 3 | 15222 | |
| Bukchon 4-gil 4 | 15222 | |
| Bukchon 4-gil 5 | 15222 | |
| Bukchon 4-gil 6 | 15222 | |
| Bukchon 4-gil 7 | 15222 | |
| Bukchon 4-gil 8 | 15222 | 미래그린빌 |
| Bukchon 4-gil 9 | 15222 | |
| Bukchon 4-gil 9-1 | 15222 | 롯데캐슬6차 |
| Bukchon 4-gil 10 | 15222 | 대흥데코르 |
| Bukchon 4-gil 11 | 15222 | |
| Bukchon 4-gil 12 | 15222 | |
| Bukchon 4-gil 15 | 15221 | 마이더스빌 |
| Bukchon 4-gil 16 | 15221 | |
| Bukchon 4-gil 17 | 15221 | SIGNIEL |
| Bukchon 4-gil 18 | 15221 | |
| Bukchon 4-gil 19 | 15221 | |
| Bukchon 4-gil 20 | 15221 | |
| Bukchon 4-gil 21 | 15221 | |
| Bukchon 4-gil 21-1 | 15221 | |
| Bukchon 4-gil 22 | 15221 | |
| Bukchon 4-gil 23 | 15221 | |
| Bukchon 4-gil 24 | 15221 | 샤인캐슬 |