A
- (Province of Isabela) Agliam
- (Province of Quirino) Aglipay
- (Province of Quirino) Aglipay
- (Province of Cagayan) Abariongan Uneg
- (Province of Cagayan) Alannay
- (Province of Cagayan) Awallan
- (Province of Cagayan) Aggugaddah
- (Province of Cagayan) Accusilian
- (Province of Isabela) Abut
- (Province of Cagayan) Alabug
- (Province of Nueva Vizcaya) Almaguer South
- (Province of Cagayan) Afusing Centro
- (Province of Isabela) Antagan Segunda