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Contact phone Numbers of National Water Supply & Drainage Board, Colombo, Sri Lanka - connections - 10-03-2017
<h1>National Water Supply & Drainage Board, Colombo, Contact phone Number | Address </h1>
National Water Supply & Drainage Board
1, White Park,
Malaigakanda, 10,
No 1,
Colombo,
Sri Lanka
Contact phone Number
011 2 687 684