Area and Country Code
| CITY | AREA CODE |
| Kawunganten | 0282 |
| Kayuagung | 0712 |
| Kayutanam | 0751 |
| Kebumen | 0287 |
| Kedamean | 031 |
| Kediri | 0354 |
| Kedungadem | 0353 |
| Kedungwuni | 0285 |
| Kefamenanu | 0388 |
| Keling | 0291 |
| Kencong | 0336 |
| Kendal | 0294 |
| Kendari | 0401 |
| Kendawangan | 0534 |
| Kepanjen | 0341 |
| Kepuhbaru | 0353 |
| Kerasaan | 0622 |
| Kerek | 0356 |
| Kertosono | 0358 |
| Kesamben | 0342 |