Donghae Expressway, Gujeong-myeon, Gangneung-si postal codes (5)
On Donghae Expressway in Gujeong-myeon, Gangneung-si the postal code depends on the building number: number 340 use 25624, numbers 345–346-1 use 25621. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Donghae Expressway 340 | 25624 | |
| Donghae Expressway 345 | 25621 | |
| Donghae Expressway 345-1 | 25621 | |
| Donghae Expressway 346 | 25621 | |
| Donghae Expressway 346-1 | 25621 |