Kalutara Postal Codes
| City | Postal Code | City | Postal Code |
|---|---|---|---|
| Agalawatta | 12200 | Alubomulla | 12524 |
| Aluthgama | 12080 | Anguruwatota | 12320 |
| Baduraliya | 12230 | Bandaragama | 12530 |
| Bellana | 12224 | Beruwala | 12070 |
| Bolossagama | 12008 | Bombuwala | 12024 |
| Boralugoda | 12142 | Botalegama | 12307 |
| Bulathsinhala | 12300 | Danawala Thiniyawala | 12148 |
| Delmella | 12304 | Dharga Town | 12090 |
| Diwalakada | 12308 | Dodangoda | 12020 |
| Dombagoda | 12416 | Galpatha | 12005 |
| Gamagoda | 12016 | Gonapola Junction | 12410 |
| Govinna | 12310 | Gurulubedda | 12236 |
| Halkandawila | 12055 | Haltota | 12538 |
| Halwala | 12118 | Halwatura | 12306 |
| Hedigalla Colony | 12234 | Horana | 12400 |
| Ingiriya | 12440 | Ittepana | 12116 |
| Kalawila Kiranthidiya | 12078 | Kalutara | 12000 |
| Kananwila | 12418 | Kandanagama | 12428 |
| Kehelwatta | 12550 | Kelinkanda | 12218 |
| Kitulgoda | 12222 | Koholana | 12007 |
| Kuda Uduwa | 12426 | Maggona | 12060 |
| Mahagama | 12210 | Mahakalupahana | 12126 |
| Matugama | 12100 | Meegahatenna | 12130 |
| Meegama | 12094 | Millaniya | 12412 |
| Millewa | 12422 | Miwanapalana | 12424 |
| Molkawa | 12216 | Morapitiya | 12232 |
| Morontuduwa | 12564 | Nawuttuduwa | 12106 |
| Neboda | 12030 | Padagoda | 12074 |
| Pahalahewessa | 12144 | Paiyagala | 12050 |
| Panadura | 12500 | Pannila | 12114 |
| Paragastota | 12414 | Paragoda | 12302 |
| Paraigama | 12122 | Pelanda | 12214 |
| Pelawatta | 12138 | Pelawatta Tea Project | 12146 |
| Pokunuwita | 12404 | Polgampola | 12136 |
| Poruwedanda | 12432 | Remunagoda | 12009 |
| Tebuwana | 12025 | Uduwara | 12322 |
| Utumgama | 12127 | Veyangalla | 12204 |
| Wadduwa | 12560 | Walagedara | 12112 |
| Walallawita | 12134 | Waskaduwa | 12580 |
| Welipenna | 12108 | Welmilla Junction | 12534 |
| Yagirala | 12124 | Yatadolawatta | 12104 |
| Yatawara Junction | 12006 | Yattapatha Sinharaja Gardens | 12147 |