| Locality | Postal Code |
|---|---|
| Gunja-Dong, Gwangjin (군자동) | 04994, 04995, 04996, 04997, 04998, … |
| Guui-Dong, Gwangjin (구의동) | 04948, 04954, 04955, 04956, 04957, … |
| Gwangjang-Dong, Gwangjin (광장동) | 04958, 04963, 04964, 04965, 04966, … |
| Hwayang-Dong, Gwangjin (화양동) | 04991, 05007, 05008, 05009, 05010, … |
| Jayang-Dong, Gwangjin (자양동) | 05025, 05026, 05027, 05028, 05050, … |
| Junggok-Dong, Gwangjin (중곡동) | 04900, 04901, 04902, 04903, 04904, … |
| Neung-Dong, Gwangjin (능동) | 04954, 04985, 04986, 04987, 04988, … |