 The province was divided into two legislative districts until 1972.The province and the chartered city of Angeles were represented in the Interim Batasang Pambansa as part of Region III from 1978 to 1984, and together elected four representatives at-large to the Regular Batasang Pambansa from 1984 to 1986.Pampanga (with the highly urbanized city of Angeles) was redistricted into four congressional districts under the new Constitution which took effect on February 7, 1987, and elected members to the restored House of Representatives starting that same year.