Here are vital hotline numbers, which I am re-posting from Inquirer.net.
National Disaster Coordinating Council – 912-2112 / 911-1873 / 912-2665
Citizens Disaster Response Center – 0906-4361185
Red Cross – 527-0000 / 524-5787
Coast Guard – 5278481
Bureau of Fire Protection – 729-5166
Pagasa – 433-8526
Senator Manny Villar – 0917-4226800 / 0927-6751981
Senator Richard Gordon – 0917-8997898 / 0938-444BOYS
Overseas Workers Welfare Administration – 0917-8986992
Department of Trade and Industry – 751-0330/ 0917-8540009
Department of Health – 7438301
Department of Interior and Local Government – 925-0343
Philippine National Police – 117
Metro Manila Development Authority – 136
National Capital Region Police Office – 838-3203 / 833-3354
Marikina – 646-2436 /161
Pasig – 643-0000
Cainta – 387-2992
Meralco – 631-2222
Napocor – 921-3541
Maynilad – 1625
Manila Water – 1627