ZIP Code 91770 is within two congressional districts: the 28th US Congressional District of California currently represented by Democrat Judy Chu and the 38th US Congressional District of California currently represented by Democrat Linda Sánchez.
ZIP Code 91770 is completely within California State Assembly District 49 and is currently represented by Democrat Mike Fong. ZIP Code 91770 is within two California State Senate districts: California State Senate District 22 currently represented by Democrat Susan Rubio and California State Senate District 32 currently represented by Republican Kelly Seyarto.