Area Code "530" Details & History:
North American area code 530 is a California telephone area code that covers Auburn, Chico, Colfax, Davis, Grass Valley, Marysville, Oroville, Placerville, Redding, Red Bluff, Susanville, Truckee, Woodland and Yuba City. 530 was created on Nov. 1, 1997, when it was split from the 916 area code. On the same day, the Dixon exchange was moved from Sacramento LATA to San Francisco LATA and from the 916 area code to 707. 530 has 479 landlines and 122 wireless prefixes (exchanges) serviced by 46 carriers. It covers 37 counties, 1,434 ZIP codes, and 215 cities, including Redding, Chico, Yuba City, Grass Valley, Davis, Auburn, Woodland, Oroville, and Placerville.
Counties served by this Area Code:
Alpine, Butte, Colusa, El Dorado, Glenn, Humboldt, Lassen, Modoc, Nevada, Placer, Plumas, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yolo, and Yuba!