| Locality | Postal Code |
|---|---|
| Bangsan-myeon, Yanggu (방산면) | 24500, 24501, 24502, 24503, 24504 |
| Dong-myeon, Yanggu (동면) | 24505, 24506, 24507, 24508, 24509, … |
| Haean-myeon, Yanggu (해안면) | 24561, 24562, 24563, 24564 |
| Nam-myeon, Yanggu (남면) | 24517, 24551, 24552, 24553, 24554, … |
| Yanggu-eup, Yanggu (양구읍) | 24512, 24513, 24514, 24515, 24516, … |