BULACAN, four (4) - First District : Municipalities of Hagonoy, Paombong, Malolos, Calumpit, Pulilan, and Bulacan; Second Distict: Municipalities Baliuag, Bustos, Plaridel, Guiguinto, Balagtas, Pandi, and Bocaue; Third District: Municipalities of San Miguel, San Ildefonso, San Rafael, Angat, Norzagaray, and Remedios Trinidad; Fourth District: Municipalities of San Jose del Monte, Sta. Maria, Marilao, Meycauayan,, and Obando.

NUEVA ECIJA, with the Cities of Cabanatuan, Palayan and San Jose, four (4) - First District: Municipalities of Nampicuan, Cuyapo, Guimba, Quezon, Talavera, Licab, Sto. Domingo, Aliaga, and Zaragoza, Second District: San Jose City and the Municipalities of Lupao, Munoz, Talugtog, Caranglan, Pantabangan, Lanera, and Rizal; Third District: Cabanatuan City; Palayan City, and the Municipalities of General Natividad, Bongabong, Laur, Gabaldon, and Sta. Rosa, Fourth District: Municipalities fof San Leonardo, General Tinio, Penaranda, Gapan, San Isidro, Cabiao, San Antonio, and Jaen.

PAMPANGA, with Angeles City, four (4) - First District : Angeles City and the Municipalities of Mabalacat and Magalang; Second District: Municipalities of Lubao, Guagua, Floridablanca, Porac, Sta. Rita, and Sexmoan; Third District: Municipalities of San Fernando, Arayat, Mexico, Bacolor, and Sta. ana; Fourth District: Municipalities of Candaba, Apalit, Macabebe, Masantol, Minalin, Sto. Tomas, San Luis, and San Simon.

TARLAC, three (3) - First District: Municipalities of Mayantoc, Sta. Ignacia, Camiling, Moncada, San Manuel, Anao, Paniqui, Ramos, San Clemente, and Pura; Second District: Municipalities of Tarlac, Gerona, and Victoria; Third District: Municipalities of Bamban, Capas, Concepcion, and La Paz.