Phone Number of 
National Irrigation Administration is 
(632) 929-6071, (632) 929-6079, (632) 926-8090 .
The National Irrigation Administration (NIA) is accountable for irrigation management. Established in June 1963, The Corporation is operated and managed by the government. It was linked with the Department of Public Work, communication, etc. NIA was started under Republic
 Act 3601. Its services include Irrigation Delivery, Technical Assistance to LGU and other parties, Balikatan
 Sagip Patubig program, consultancy services, etc. The address and contact number of National Irrigation Administration is also used for 
National Irrigation Administration Directory, 
National Irrigation Administration New Administrator, 
National Irrigation Administration Regionand 
National Irrigation Administration Careers.
Other Contact No: (632) 926-8090 to 91
Fax No: (632) 926-2846, (632) 926-5836
 
National Irrigation Administration Address 
The address of National Irrigation Administration is National Irrigation Administration Complex, EDSA, Diliman, 1100 Quezon City, Philippines.
National Irrigation Administration Website 
The Website of National Irrigation Administration is 
www.nia.gov.ph.
National Irrigation Administration Customer Support Service Phone Number 
The customer support phone number of National Irrigation Administration is 
(632) 929-6071, (632) 929-6079, (632) 926-8090 (Click phone number to call).
The postal and 
official address, email address and 
phone number (
helpline) of 
National Irrigation Administration Service Center and 
National Irrigation Administration customer phone number  is given below. The  
helpline of National Irrigation Administration customer phone number may or may not be 
toll free.
Click Here To View  National Irrigation Administration Customer Service Phone Numbers