Halmillawetiya Postal Code
| City | Postal Code | District |
|---|---|---|
| Gonahaddenawa | 50554 | Anuradhapura |
| Kalawedi Ulpotha | 50556 | Anuradhapura |
| Tittagonewa | 50558 | Anuradhapura |
| Kahatagollewa | 50562 | Anuradhapura |
| Wahalkada | 50564 | Anuradhapura |
| Bogahawewa | 50566 | Anuradhapura |
| Padaviya | 50570 | Anuradhapura |
| Padavi Maithripura | 50572 | Anuradhapura |
| Mahasenpura | 50574 | Anuradhapura |
| Padavi Parakramapura | 50582 | Anuradhapura |
| Etawatunuwewa | 50584 | Anuradhapura |
| Welioya Project | 50586 | Anuradhapura |
| Padavi Sripura | 50587 | Anuradhapura |
| Padavi Sritissapura | 50588 | Anuradhapura |
| Polonnaruwa | 51000 | Polonnaruwa |