Goesan-ro, Goesan-eup, Goesan-gun postal codes (8)
On Goesan-ro in Goesan-eup, Goesan-gun the postal code depends on the building number: numbers 3492-42–3492-44 use 28038, numbers 3507-40–3527 use 28036, numbers 3538–3540 use 28037. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Goesan-ro 3492-42 | 28038 | |
| Goesan-ro 3492-44 | 28038 | |
| Goesan-ro 3507-40 | 28036 | |
| Goesan-ro 3519 | 28036 | |
| Goesan-ro 3521 | 28036 | |
| Goesan-ro 3527 | 28036 | 괴산중학교 |
| Goesan-ro 3538 | 28037 | |
| Goesan-ro 3540 | 28037 |