Nilgala Postal Code
| City | Postal Code | District |
|---|---|---|
| Kotagama | 91512 | Monaragala |
| Diyakobala | 91514 | Monaragala |
| Ayiwela | 91516 | Monaragala |
| Nannapurawa | 91519 | Monaragala |
| Medagama | 91550 | Monaragala |
| Kendawinna | 91552 | Monaragala |
| Bakinigahawela | 91554 | Monaragala |
| Kotabowa | 91559 | Monaragala |