Vivien Forest helps you buy or sell a home in Newhall, CA! Other areas include: Valencia, Santa Clarita, Pasadena, Altadena, Monrovia, San Marino, Alhambra, Temple City. Primary zip codes: 91321, 91322,91354, 91355, 91385,91381,91381,91351, 91386, 91387,91350, 91380, 91382, 91383, 91390, 91101