Gamnamudeung-ro, Asan-myeon, Gochang-gun postal codes (3)
All 3 buildings on Gamnamudeung-ro in Asan-myeon, Gochang-gun use postal code 56454. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Gamnamudeung-ro 249-11 | 56454 | |
| Gamnamudeung-ro 249-18 | 56454 | |
| Gamnamudeung-ro 252-17 | 56454 |