C
- (Province of Pangasinan) Camanbugan
- (Province of Pangasinan) Camagsingalan
- (Province of Pangasinan) Calzada
- (Province of Ilocos Norte) Calutit
- (Province of Ilocos Sur) Calunboyan
- (Province of La Union) Calonbuyan
- (Province of La Union) Calungan
- (Province of Pangasinan) Calunetan
- (Province of Pangasinan) Calumbayan
- (Province of Ilocos Norte) Calumbaya
- (Province of La Union) Calumbaya
- (Province of Pangasinan) Calsib
- (Province of Pangasinan) Calopaan
- (Province of Pangasinan) Caloocan Norte
- (Province of Pangasinan) Calomboyan Sur
- (Province of Pangasinan) Calobaoan
- (Province of Pangasinan) Calmay
- (Province of Pangasinan) Calmay
- (Province of Ilocos Norte) Callusa
- (Province of Ilocos Sur) Callitong
- (Province of Pangasinan) Cal-litang
- (Province of La Union) Callat-Lugalog
- (Province of Ilocos Sur) Callaguip
- (Province of Pangasinan) Caliwaing
- (Province of Pangasinan) Caliswang
- (Province of Ilocos Norte) Calioet
- (Province of Ilocos Sur) Calioaquio
- (Province of Ilocos Sur) Calingayan
- (Province of La Union) Calincamasan
- (Province of Ilocos Sur) Calimugtong