San Mateo, CA

ZIP code 94403 covers a central-western part of San Mateo, California, including residential neighborhoods and commercial districts. Its best-known landmarks include Hillsdale Shopping Center, a major regional retail center, and the San Mateo County Event Center, which hosts exhibitions and public events. The area also includes Hillsdale Caltrain station and the Bay Meadows redevelopment, built on the site of the former Bay Meadows racetrack.