PROVINCIAL DEPARTMENTS / OFFICES
| PROVINCIAL OFFICE | CONTACT NUMBER |
| Provincial Governor’s Office (PGO) | 055-500-9694 |
| Provincial Vice Governor’s Office (PVGO) | 055-500- 2492 |
| Office of the Secretary to the Sangguniang Panlalawigan (OSSP) | 055-500-9404 |
| Provincial Planning and Development Office (PPDO) | 055-500-2336 |
| Provincial Accounting Office (PAcctO) | 055-500-9557 |
| Provincial Budget Office (PBO) | 055-500-2436 |
| Provincial Treasurerʼs Office (PTO) | 055-500-9808 |
| Provincial Assessorʼs Office (PAssO) | 055-500-1836 |
| Provincial Social Welfare and Development Office (PSWDO) | 055-500-2163 055-500-0790 |
| Provincial Disaster Risk Reduction and Management Office (PDRRMO) | 055-500-9812 |
| Provincial Cooperative and Community Affairs Office (PCCAO) | 055-500-9409 |
| Provincial Population Office (PPO) | 055-500-9794 |
| Provincial Information Office (PIO) | 055-500-1410 |
| Provincial Engineering Office (PEO) | 055-500-9807 |
| Provincial General Services Office (PGSO) | 055-500-2136 |
| Civil Security Office (CSO) | 055-500-0789 |
| Provincial Health Office (PHO) | 055-500-9162 055-500-9488 |
| Northern Samar Provincial Hospital (NSPH) | 055-500-9770 055-500-9165 055-500-9772 055-500-9208 055-500-9165 055-500-1865 055-500-1410 |
| Provincial Economic Development Investments and Promotion Office (PEDIPO) | 055-500-1410 |
| Provincial Agriculture Office (PAO) | 055-500-1582 |
| Provincial Veterinary Office (PVO) | 055-500-9225 |
| Provincial Tourism Office (PTourO) | 055-500-9798 |
| Northern Samar Provincial Jail (NSPJ) | 055-500-9559 |
| Northern Samar Public Employment Service Office (NSPESO) | 055-500-9192 |
| Provincial Government Environment and Natural Resources Office (PGENRO) | 055-500-9802 |
| Management Information System Office (MISO) | 055-500-1024 |
| Provincial Human Resource Management and Development Office (PHRMDO) | 055-500-9793 |
| Provincial Internal Audit Office (PIAO) | 055-500-0840 |
| Provincial Legal Office (PLO) | 055-500-2265 |
| PGO – Bids and Awards Committee | 055-500-2342 |
| Provincial Administrator’s Office | 055-500-9795 |
| Provincial Mining Regulatory Board | 055-500-9795 |
MUNICIPALITIES
| MUNICIPALITY | CONTACT NUMBER |
| Allen | |
| Biri | |
| Bobon | |
| Capul | |
| Catarman | |
| Catubig | |
| Gamay | |
| Laoang | |
| Lapinig | |
| Las Navas | |
| Lavezares | |
| Lope De Vega | |
| Mapanas | |
| Mondragon | |
| Palapag | |
| Pambujan | |
| Rosario | |
| San Antonio | |
| San Isidro | |
| San Jose | |
| San Roque | |
| San Vicente | |
| Silvino Lubos | |
| Victoria |
NATIONAL GOVERNMENT AGENCIES
| AGENCY | CONTACT NUMBER |
| Armed Forces of the Philippines 803rd (AFP) | 09171439058 |
| Northern Samar Police Provincial Office (NSPPO) | 09050939256 |
| Philippine Drug Enforcement Agency (PDEA) | 09953547020 09310278212 |
| Bureau of Fire Protection ( BFP) | 09266349289 055-500-8562 |
| Bureau of Fisheries and Aquatic Resources (BFAR) | 09351132171 |
| Department of Agriculture (DA) | 09264336733 |
| Department of Agrarian Reform (DAR) | 055-500-9061 |
| Department of Environment and Natural Resources (DENR) | 055-251-7117 |
| Department of Interior and Local Government (DILG) | 09177924867 |
| Department of Science and Technology (DOST) | 09953544805 |
| Department of Health (DOH) | 055-500-8129 |
| Department of Labor and Employment (DOLE) | 0950-373-0967 |
| Department of Public Works and Highways District 1 (DPWH1) | 055-521-8190 |
| Department of Public Works and Highways District 2 (DPWH2) | 055-354-1610 |
| Department of Social Welfare and Development Office (DSWD) | 0919-061-6013 |
| Department of Trade and Industry (DTI) | 055-500-9298 |
| Land Bank of the Philippines (LANDBANK) | 055-354-1088 |
| Philippine Coconut Authority (PCA) | 09669728507 09617715601 |
| Philippine Health Insurance Corporation (PHILHEALTH) | 055-251-8240 |
| Philippine Statistics Authority (PSA) | 09980727846 |
| Technical Education and Skills Development Authority (TESDA) | 055-251-8070 |
| Northern Samar Electric Cooperative (NORSAMELCO) | 09508506795 09670148423 09686906150 09672370255 |