31-6,Bicol Region,
31-13,Calabarzon,
31-5,Eastern Visayas,
31-8,Luçon centrale,
31-11,Mindanao du Nord,
31-2,National Capital Region,
31-12,Péninsule de Zamboanga,
31-9,Région administrative de la Cordillère,
31-1,Région d’Ilocos,
31-3,Région de Davao,
31-10,Soccsksargen,
31-16,Southwestern Tagalog Region,
31-14,Vallée de Cagayan,
31-4,Visayas centrales,
31-7,Visayas occidentales,