Andiambalama Postal Code
| City | Postal Code | District |
|---|---|---|
| Wegowwa | 11562 | Gampaha |
| Horampella | 11564 | Gampaha |
| Yatiyana | 11566 | Gampaha |
| Hinatiyana Madawala | 11568 | Gampaha |
| Kelaniya | 11600 | Gampaha |
| Kiribathgoda | 11601 | Gampaha |
| Siyambalape | 11607 | Gampaha |
| Heiyanthuduwa | 11618 | Gampaha |
| Gonawala | 11630 | Gampaha |
| Makola | 11640 | Gampaha |
| Biyagama | 11650 | Gampaha |
| Malwana | 11670 | Gampaha |
| Biyagama EPZ | 11672 | Gampaha |
| Dompe | 11680 | Gampaha |
| Dekatana | 11690 | Gampaha |