Area code 530, Telephone prefix in Northern California, United States.
Area code 530 is a telephone prefix in California covering the northeastern portion of the state, where wide rural landscapes alternate with smaller towns. It connects places from the Sacramento Valley through the northern Sierra Nevada to the volcanic ranges near the Oregon border.
California regulators established the prefix in 1997 after splitting it from the original 916 area. The change followed growth in telephone network use across the faster-growing parts of northern California during the 1990s.
The region served by area code 530 includes multiple cities such as Chico, Redding, and Yuba City, each with local festivals celebrating agriculture.
Callers within this region must dial all ten digits since October 2021, even for local calls. This rule was introduced to allow the addition of an overlay prefix and avoid technical difficulties.
From late January 2025, a second prefix will be placed over the same geographic zone, so two numbers can serve the same towns. Existing numbers keep their prefix while new lines may also receive the additional digit combination.
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