| Regional Office No. 3 | |||
| Tambubong, San Rafael, Bulacan | |||
| Telefax No. (044) 766-2467 | |||
| Email: niar03@yahoo.com | |||
| Engr. Josephine B. Salazar - Regional Manager | |||
| Engr. Virgilio J. Ilao - Division Manager, Engineering & Operations | |||
| Ms. Rochelle R. Cervantes - Division Manager, Administrative & Finance | |||
| Office | Office Address | Telephone No. | Name of Heads/Contact Person |
| NIA REGIONAL OFFICE | |||
| Administrative & Finance Division | Tambubong, San Rafael, Bulacan | (044) 816 - 6808 | Mgr. Rochelle R. Cervantes |
| Engineering & Operations Division | (044) 766 - 4839 | Mgr. Virgilio J. Ilao | |
| Equipment Management Section | (044) 766 - 7704 | Engr. Isabelito V. Bitangcol | |
| Commission on Audit Region 3 | (044) 766 - 3922 | Mgr. Priscilla R. Esguerra | |
| BULACAN-AURORA-NUEVA ECIJA IRRIGATION MANAGEMEN OFFICE | |||
| BANE IMO Manager’s Office | Tambubong, San Rafael, Bulacan | (044) 766 - 3888 | Mgr. Angelito S. Miguel |
| OIC Administrative & Finance Section | (044) 766 - 4142 | Jesus D. Perez Jr. | |
| Institutional Development Section | |||
| Engineering Section | (044) 766 - 0157 | Engr. Ma. Blanca B. Aldovino | |
| Operations & Maintenance | (044) 766 - 3524 | Engr. Roberto J. Dela Cruz | |
| Billing Unit | (044) 816 - 8510 | Gloria M. Santiago | |
| Property Unit | (044) 816 - 7562 | Elvira D. Roxas | |
| Nueva Ecija Satellite Office | Cabanatuan City, Nueva Ecija | (044) 958 - 9776 | Engr. Clarita G. Silverio |
| Aurora Satellite Office | San Luis, Aurora | 0999-401-7258 | Engr. Danilo S. Mangaba |
| PAMPANGA-BATAAN IRRIGATION MANAGEMENT OFFICE | |||
| PAMBAT IMO Manager’s Office | Solib, Floridablanca, Pampanga | (045) 970 - 0622 | Mgr. Prudencio B. Santos |
| Porac-Gumain RIS | 0920-252-8228 | Engr. Beverly G. Lorenzo | |
| Colo-Caulaman RIS | Dinalupihan, Bataan | ||
| Pampanga-Delta RIS | San Luis, Pampanga | 0998-453-9039 | Engr. Leopoldo Q. Maniego |
| TARLAC-ZAMBALES IRRIGATION MANAGEMENT OFFICE | |||
| TARZAM IMO Manager’s Office | Matatalaib, Tarlac City | (045) 982 - 1064 | Mgr. Lauro E. Ballesteros |
| Camiling RIS | Romula Hiway, Malacampa, Camiling, Tarlac | (045) 934 - 1832 | Engr. Marcelino P. Manalo |
| Nayom Bayto RIS | National Road, Biay, Sta Cruz, Zambales | 0905-406-5478 | Engr. Feliciano A. Gaspar |
| Bucao RIS | Carael, Botolan Zambales | ||
