| All postal codes in Sikka |
| Alok, Sikka |
| Alok Barat, Sikka |
| Alok Timur, Sikka |
| Bola, Sikka |
| Doreng, Sikka |
| Hewokloang, Sikka |
| Kangae, Sikka |
| Kewapante, Sikka |
| Koting, Sikka |
| Lela, Sikka |
| Magepanda, Sikka |
| Mapitara, Sikka |
| Mego, Sikka |
| Nelle, Sikka |
| Nita, Sikka |
| Paga, Sikka |
| Palue, Sikka |
| Talibura, Sikka |
| Tana Wawo, Sikka |
| Waiblama, Sikka |
| Waigete, Sikka |