| Locality | Post Code |
|---|---|
| Beonam-myeon, Jangsu (번암면) | 55647, 55653, 55654, 55655, 55656, … |
| Cheoncheon-myeon, Jangsu (천천면) | 55605, 55606, 55607, 55608, 55609, … |
| Gyebuk-myeon, Jangsu (계북면) | 55600, 55601, 55602, 55603, 55604 |
| Gyenam-myeon, Jangsu (계남면) | 55613, 55617, 55622, 55623, 55624, … |
| Janggye-myeon, Jangsu (장계면) | 55611, 55612, 55613, 55614, 55615, … |
| Jangsu-eup, Jangsu (장수읍) | 55627, 55628, 55629, 55630, 55631, … |
| Sanseo-myeon, Jangsu (산서면) | 55645, 55646, 55647, 55648, 55649, … |