B
- (Province of Bulacan) Banaba
- (Province of Bataan) Batangas II
- (Province of Aurora) Bagtu
- (Province of Aurora) Bannaoag
- (Province of Aurora) Bayanihan
- (Province of Aurora) Baubo
- (Province of Bulacan) Batasan-B
- (Province of Nueva Ecija) Balumbon
- (Province of Nueva Ecija) Batang
- (Province of Nueva Ecija) Bayanihan
- (Province of Bulacan) Buluarte
- (Province of Nueva Ecija) Bulak
- (Province of Nueva Ecija) Bitas
- (Province of Nueva Ecija) Balbalungao
- (Province of Bulacan) Bangkal
- (Province of Nueva Ecija) Bonifacio District
- (Province of Nueva Ecija) Bagong Sikat
- (Province of Bulacan) BMA Balagtas
- (Province of Bulacan) Bagong Silang
- (Province of Bulacan) Buisan
- (Province of Bulacan) Bagong Nayon
- (Province of Bulacan) Barangka
- (Province of Tarlac) Baras
- (Province of Tarlac) Bora
- (Province of Nueva Ecija) Blanca
- (Province of Nueva Ecija) Bumatay
- (Province of Nueva Ecija) Binabuyan
- (Province of Bulacan) Bunsuran Tercero
- (Province of Bulacan) Banga Dos
- (Province of Bulacan) Bangcal