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Billing complaints, call us on following Numbers. If you need any contact number of our regional offices, please visit Regional Support Centres |
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| All Island 24 hourToll Free Call Centre |
| Call 1939 for seeking information of our activities or for any complaints to the NWSDB on breakdowns and interruptions. |
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| Head Office |
| Customer Care Unit (during office hours) |
+94 11 2623623 |
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| Colombo City |
| Within Colombo Municipal Council limits |
+94 11 2674444 |
+94 11 2672222 |
+94 11 5374375 |
+94 11 5874375 |
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| Towns North of Colombo |
| Kelaniya, Mahara, Kadawatha, Ragama, Kandana, Wattala, Welisara, Pamunugama, Malwana, Dompe and Biyagama Export Processing Zone |
+94 11 2911228 |
+94 11 4886812 |
+94 11 4886815 |
+94 11 4886816 |
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| Towns East of Colombo (South) |
| Maharagama, Piliyandala, Homagama, Mattegoda, Pannipitiya, Pelanwatte, Kosgama, Avissawella |
+94 11 2840380 |
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| Towns East of Colombo (North) |
| Kotte, Nugegoda, Kolonnawa, Battaramulla, Kotikawatte, Mulleriyawa, Kaduwela, Aturugiriya, Hokandara |
+94 11 2853990 |
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| Towns South of Colombo |
| Kohuwela, Dehiwala - Mt. Lavinia, Moratuwa, Panadura |
+94 11 2734444 |
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| ::: Updated on 2010.09.16 ::: |
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© 2011 National Water Supply and Drainage Board. All rights reserved. |
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Call Centre 