31-6,Bicol Region,
31-14,Cagayan Valley,
31-13,Calabarzon,
31-8,Central Luzon,
31-4,Central Visayas,
31-3,Davao Region,
31-5,Eastern Visayas,
31-1,Ilocos,
31-11,Northern Mindanao,
31-12,Península de Zamboanga,
31-9,Região Administrativa de Cordillera,
31-2,Região da capital,
31-10,Soccsksargen,
31-16,Southwestern Tagalog Region,
31-7,Western Visayas,