SAN NICOLAS OFFICES
The National Mapping and Resource Information Authority (NAMRIA) has four (4) core or technical branches, and one (1) support branch. Each has four (4) divisions. Below is NAMRIA's phone directory. Please dial (63-2) 8241-3494 to 98 for San Nicolas Hydrography Branch offices.

OFFICE CONTACT INFORMATION
DIRECT LINE LOCAL LINE
HYDROGRAPHY BRANCH
Director’s Office 8242-2955
8242-2090
104
Assistant Director’s Office 8247-1281 114
Maritime Affairs Division 8245-0295 107
Surveys Support Division 8247-1280 119
Physical Oceanography Division 8242-2093 105
129
Nautical Charting Division 8245-9501 123
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