| Ort | Postleitzahl |
|---|---|
| Aramanagolla, Horana | None |
| Batuvita North, Horana | None |
| Batuvita South, Horana | None |
| Dambara, Horana | None |
| Dikhenagama, Horana | None |
| Gal Edandugoda, Horana | None |
| Godigamuwa East, Horana | None |
| Godigamuwa West, Horana | None |
| Gorokgoda, Horana | None |
| Gurugoda, Horana | None |
| Halapitiya, Horana | None |
| Halkotiyawatta, Horana | None |
| Handupelpola, Horana | None |
| Henegama, Horana | None |
| Horana East, Horana | 12400 |
| Horana North, Horana | 12400 |
| Horana South, Horana | 12400 |
| Ihala Millewa North, Horana | None |
| Ihala Millewa South, Horana | None |
| Kahatapitiya, Horana | None |
| Kananvila North, Horana | None |
| Kananvila South, Horana | None |
| Kanewala, Horana | None |
| Kidelpitiya, Horana | None |
| Kirigalahena, Horana | None |
| Koralaima, Horana | None |