Donghae Expressway, Sacheon-myeon, Gangneung-si postal codes (1)
The one building on Donghae Expressway in Sacheon-myeon, Gangneung-si uses postal code 25434. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Donghae Expressway 358 | 25434 | 북강릉도로공사영업소 |