| Locality | Postal Code |
|---|---|
| Ganseong-eup, Goseong (간성읍) | 24726, 24727, 24728, 24729, 24730, … |
| Geojin-eup, Goseong (거진읍) | 24708, 24709, 24710, 24711, 24712, … |
| Hyeonnae-myeon, Goseong (현내면) | 24701, 24702, 24703, 24704, 24705, … |
| Jugwang-myeon, Goseong (죽왕면) | 24743, 24744, 24745, 24746, 24747, … |
| Toseong-myeon, Goseong (토성면) | 24753, 24754, 24755, 24756, 24757, … |