N
- (Province of Ilocos Norte) Narbaan
- (Province of Ilocos Norte) Nagbayogan
- (Province of Ilocos Norte) Nagsanga
- (Province of Ilocos Norte) Naglicuan
- (Province of Ilocos Norte) Nauba
- (Province of Ilocos Norte) Nagapungan
- (Province of Ilocos Norte) Nagsabaran
- (Province of La Union) Nagtagaan
- (Province of La Union) Nangcamotian
- (Province of Pangasinan) Nibalin West
- (Province of Ilocos Norte) Nagabungan
- (Province of Ilocos Norte) Natbaoan
- (Province of Pangasinan) Nangalisan
- (Province of Pangasinan) Napunit
- (Province of Pangasinan) Namarbaran
- (Province of Pangasinan) Nalsok
- (Province of Pangasinan) Namacalan
- (Province of Pangasinan) Nanixscan
- (Province of La Union) Narvacan
- (Province of La Union) Nangasilan
- (Province of Ilocos Sur) Nagpalugsian
- (Province of Ilocos Sur) Nagsabaran
- (Province of Ilocos Sur) Nagpanaoan
- (Province of Ilocos Sur) Nagtenga
- (Province of La Union) Namaltogan
- (Province of Pangasinan) Nambacuran
- (Province of Pangasinan) Nalneran
- (Province of Pangasinan) Nibaliw East
- (Province of Pangasinan) Nibaliw West
- (Province of Pangasinan) Nito Island