A
- (Province of Ilocos Norte) Agaga
- (Province of Pangasinan) Acop
- (Province of La Union) Abut
- (Province of Ilocos Sur) Abour
- (Province of Ilocos Norte) Abucay
- (Province of Ilocos Sur) Abubutan
- (Province of Pangasinan) Abonagan
- (Province of Pangasinan) Abling
- (Province of Ilocos Norte) Abec
- (Province of Ilocos Sur) Abaya
- (Province of Pangasinan) Abanon
- (Province of Pangasinan) Abalos
- (Province of Pangasinan) Abagatanen
- (Province of Ilocos Sur) Abaccan
- (Province of Ilocos Norte) Abacca
- (Province of Ilocos Norte) Ababut
- (Province of Pangasinan) Ambayat First
- (Province of Ilocos Sur) Amsawan
- (Province of Ilocos Norte) Aquinit
- (Province of Ilocos Norte) Asuncion
- (Province of Ilocos Norte) Aruaay
- (Province of Pangasinan) Anisca
- (Province of Pangasinan) Alorgat
- (Province of Pangasinan) Agat
- (Province of Pangasinan) Arzadon
- (Province of Ilocos Norte) Agat
- (Province of Ilocos Norte) Apaleng
- (Province of Pangasinan) Alibago
- (Province of La Union) Alipang
- (Province of Pangasinan) Ambalangan Dalin