| postal codes | Place Name | County | State | latitude | longitude | Map | |
|---|---|---|---|---|---|---|---|
| 12000 | Kalutara | Kalutara | Western Province | 6.5831 | 79.9593 | Google Maps | |
| 12005 | Galpatha | Kalutara | Western Province | 6.6053 | 79.9971 | Google Maps | |
| 12006 | Yatawara Junction | Kalutara | Western Province | 6.6053 | 79.9971 | Google Maps | |
| 12007 | Koholana | Kalutara | Western Province | 6.6189 | 80.0219 | Google Maps | |
| 12008 | Bolossagama | Kalutara | Western Province | 6.6053 | 79.9971 | Google Maps | |
| 12009 | Remunagoda | Kalutara | Western Province | 6.6138 | 80.01 | Google Maps | |
| 12016 | Gamagoda | Kalutara | Western Province | 6.5909 | 80.0083 | Google Maps | |
| 12020 | Dodangoda | Kalutara | Western Province | 6.5531 | 80.0223 | Google Maps | |
| 12024 | Bombuwala | Kalutara | Western Province | 6.5721 | 80.0096 | Google Maps | |
| 12025 | Tebuwana | Kalutara | Western Province | 6.5829 | 80.0466 | Google Maps | |
| 12030 | Neboda | Kalutara | Western Province | 6.5891 | 80.084 | Google Maps | |
| 12050 | Paiyagala | Kalutara | Western Province | 6.5075 | 80.0276 | Google Maps | |
| 12055 | Halkandawila | Kalutara | Western Province | 6.5075 | 80.0276 | Google Maps | |
| 12060 | Maggona | Kalutara | Western Province | 6.5041 | 79.9811 | Google Maps | |
| 12070 | Beruwala | Kalutara | Western Province | 6.4788 | 79.9828 | Google Maps | |
| 12074 | Padagoda | Kalutara | Western Province | 6.4526 | 80.0096 | Google Maps | |
| 12078 | Kalawila Kiranthidiya | Kalutara | Western Province | 6.4657 | 79.9962 | Google Maps | |
| 12080 | Alutgama | Kalutara | Western Province | 6.4394 | 79.9895 | Google Maps | |
| 12090 | Dharga Town | Kalutara | Western Province | 6.424 | 80.0631 | Google Maps | |
| 12094 | Meegama | Kalutara | Western Province | 6.424 | 80.0631 | Google Maps | |
| 12100 | Matugama | Kalutara | Western Province | 6.5204 | 80.1128 | Google Maps | |
| 12104 | Yatadolawatta | Kalutara | Western Province | 6.5273 | 80.0631 | Google Maps | |
| 12106 | Nawattuduwa | Kalutara | Western Province | 6.5042 | 80.0934 | Google Maps | |
| 12108 | Welipenna | Kalutara | Western Province | 6.465 | 80.1043 | Google Maps | |
| 12112 | Walagedara | Kalutara | Western Province | 6.4485 | 80.078 | Google Maps | |
| 12114 | Pannila | Kalutara | Western Province | 6.4399 | 80.1029 | Google Maps | |
| 12116 | Ittapana | Kalutara | Western Province | 6.4217 | 80.0884 | Google Maps | |
| 12118 | Halwala | Kalutara | Western Province | 6.4137 | 80.1097 | Google Maps | |
| 12122 | Paraigama | Kalutara | Western Province | 6.4052 | 80.1253 | Google Maps | |
| 12124 | Yagirala | Kalutara | Western Province | 6.3846 | 80.1605 | Google Maps | |
| 12126 | Mahakalupahana | Kalutara | Western Province | 6.3949 | 80.1429 | Google Maps | |
| 12127 | Utumgama | Kalutara | Western Province | 6.3949 | 80.1429 | Google Maps | |
| 12130 | Meegahatenna | Kalutara | Western Province | 6.4394 | 80.1971 | Google Maps | |
| 12134 | Walallawita | Kalutara | Western Province | 6.3615 | 80.1931 | Google Maps | |
| 12136 | Polgampola | Kalutara | Western Province | 6.4681 | 80.1924 | Google Maps | |
| 12138 | Pelawatta | Kalutara | Western Province | 6.4089 | 80.2166 | Google Maps | |
| 12142 | Boralugoda | Kalutara | Western Province | 6.4336 | 80.2842 | Google Maps | |
| 12144 | Pahalahewessa | Kalutara | Western Province | 6.4336 | 80.2842 | Google Maps | |
| 12148 | Danawala Thiniyawala | Kalutara | Western Province | 6.4336 | 80.2842 | Google Maps | |
| 12200 | Agalawatta | Kalutara | Western Province | 6.5422 | 80.1583 | Google Maps | |
| 12204 | Veyangalla | Kalutara | Western Province | 6.5422 | 80.1583 | Google Maps | |
| 12210 | Mahagama | Kalutara | Western Province | 6.6167 | 80.1667 | Google Maps | |
| 12214 | Pelanda | Kalutara | Western Province | 6.6011 | 80.2322 | Google Maps | |
| 12216 | Molkawa | Kalutara | Western Province | 6.609 | 80.233 | Google Maps | |
| 12218 | Kelinkanda | Kalutara | Western Province | 6.5777 | 80.2969 | Google Maps | |
| 12222 | Kitulgoda | Kalutara | Western Province | 6.4996 | 80.1807 | Google Maps | |
| 12224 | Bellana | Kalutara | Western Province | 6.5237 | 80.1765 | Google Maps | |
| 12230 | Baduraliya | Kalutara | Western Province | 6.5084 | 80.2329 | Google Maps | |
| 12232 | Morapitiya | Kalutara | Western Province | 6.5352 | 80.263 | Google Maps | |
| 12234 | Hedigalla Colony | Kalutara | Western Province | 6.5218 | 80.248 | Google Maps | |
| 12236 | Gurulubadda | Kalutara | Western Province | 6.5218 | 80.248 | Google Maps | |
| 12300 | Bulathsinhala | Kalutara | Western Province | 6.6744 | 80.1934 | Google Maps | |
| 12302 | Paragoda | Kalutara | Western Province | 6.6109 | 80.2243 | Google Maps | |
| 12304 | Delmella | Kalutara | Western Province | 6.6881 | 80.2057 | Google Maps | |
| 12306 | Halwatura | Kalutara | Western Province | 6.6992 | 80.1914 | Google Maps | |
| 12308 | Diwalakada | Kalutara | Western Province | 6.6994 | 80.1521 | Google Maps | |
| 12310 | Govinna | Kalutara | Western Province | 6.6743 | 80.1159 | Google Maps | |
| 12320 | Anguruwatota | Kalutara | Western Province | 6.6383 | 80.0861 | Google Maps | |
| 12322 | Uduwara | Kalutara | Western Province | 6.6167 | 80.0667 | Google Maps | |
| 12400 | Horana | Kalutara | Western Province | 6.7159 | 80.0626 | Google Maps | |
| 12404 | Pokunuwita | Kalutara | Western Province | 6.7266 | 80.0369 | Google Maps | |
| 12410 | Gonapola Junction | Kalutara | Western Province | 6.6927 | 80.0326 | Google Maps | |
| 12412 | Millaniya | Kalutara | Western Province | 6.6927 | 80.0326 | Google Maps | |
| 12414 | Paragastota | Kalutara | Western Province | 6.6685 | 79.9919 | Google Maps | |
| 12416 | Dombagoda | Kalutara | Western Province | 6.6476 | 80.0471 | Google Maps | |
| 12418 | Kananwila | Kalutara | Western Province | 6.762 | 80.0589 | Google Maps | |
| 12422 | Millewa | Kalutara | Western Province | 6.7834 | 80.0625 | Google Maps | |
| 12424 | Miwanapalana | Kalutara | Western Province | 6.7448 | 80.0922 | Google Maps | |
| 12426 | Kuda Uduwa | Kalutara | Western Province | 6.7662 | 80.0784 | Google Maps | |
| 12428 | Kandanagama | Kalutara | Western Province | 6.7648 | 80.0777 | Google Maps | |
| 12432 | Poruwedanda | Kalutara | Western Province | 6.7373 | 80.1178 | Google Maps | |
| 12440 | lngiriya | Kalutara | Western Province | 6.728 | 80.0609 | Google Maps | |
| 12500 | Panadura | Kalutara | Western Province | 6.7132 | 79.9026 | Google Maps | |
| 12524 | Alubomulla | Kalutara | Western Province | 6.7085 | 79.9489 | Google Maps | |
| 12530 | Bandaragama | Kalutara | Western Province | 6.7144 | 79.988 | Google Maps | |
| 12534 | Welmilla Junction | Kalutara | Western Province | 6.7072 | 80.0107 | Google Maps | |
| 12538 | Haltota | Kalutara | Western Province | 6.7 | 80.0333 | Google Maps | |
| 12550 | Kehelwatta | Kalutara | Western Province | 6.7517 | 79.9075 | Google Maps | |
| 12560 | Wadduwa | Kalutara | Western Province | 6.6686 | 79.9253 | Google Maps | |
| 12564 | Morontuduwa | Kalutara | Western Province | 6.6594 | 79.9726 | Google Maps | |
| 12580 | Waskaduwa | Kalutara | Western Province | 6.6355 | 79.9472 | Google Maps |