Area Code 530: Chico, California Coverage and Details - area-code -

Frequently Asked Questions

Yes, area code 837 is scheduled to overlay area code 530 starting January 31, 2025. 10-digit dialing will be mandatory after this date.
Major providers like AT&T and Verizon, along with smaller local carriers, operate within area code 530.
Landline, mobile, and VoIP services are available in area code 530.
Area code 530 was created on November 1, 1997, as a split from area code 916.
The California Public Utilities Commission (CPUC) regulates telecommunications services in area code 530.
Area code 530 interacts with area codes 916 (Sacramento) and 707 (North Coast region).
Resources like zipcode.org provide comprehensive lists of locations within area code 530, including smaller towns like Adin, Alleghany, and Alta.
The 530 area code was implemented due to the growing demand for phone numbers in Northern California stemming from population growth and technological advancements.
As of December 2024, approximately 86.9% of available prefixes within area code 530 have been allocated to telecom providers.
Chico, California is covered by area code 530.
Area code 530 covers Butte, Shasta, Placer, El Dorado, Nevada, Yolo, Yuba, Siskiyou, Tehama, Sutter, Plumas, Colusa, Glenn, Sierra, and Lassen counties.
Dial 1 + the 10-digit phone number (1 + area code + 7-digit number) for calls within area code 530.
Dial 0 + the 10-digit phone number for operator-assisted calls in the 530 area code.
Area code 530 covers several Northern California cities, including Chico, Yuba City, Redding, South Lake Tahoe, and Grass Valley. These cities represent a mix of urban centers and popular tourist destinations, reflecting the diverse geographic area covered by the area code.
To dial a 530 number from a different area code, dial 1 + 530 + the 7-digit number. This 1 + 10-digit dialing pattern is standard for all calls to 530 numbers, regardless of your location.
10-digit dialing (including the area code) will be mandatory for all 530 calls starting January 31, 2025. This is due to the implementation of overlay area code 837 in the same region. Be prepared for this change to avoid disruptions.
Area code 530 neighbors area code 916 (Sacramento) and 707 (North Coast, including Santa Rosa and Napa). Understanding these related area codes can be helpful for managing communication across different regions of Northern California.
Area code 530 spans several counties in Northern California. These include Butte, Shasta, Placer, El Dorado, Nevada, Yolo, Yuba, Siskiyou, Tehama, Sutter, Plumas, Colusa, Glenn, Sierra, and Lassen counties.
For operator-assisted calls within area code 530, dial 0 + the 10-digit number (0 + 530 + 7-digit number). While less common now, this method remains important for specific situations.
For a comprehensive list of cities and towns within area code 530, consult online resources like zipcode.org. This website provides a detailed breakdown of all locations covered by the 530 area code, including smaller towns like Adin, Alleghany, and Alta.
Area code 530 has a range of telecommunication options, including landline, mobile, and VoIP services. Major providers like AT&T and Verizon operate there alongside smaller, local carriers.
The California Public Utilities Commission (CPUC) regulates telecommunications services within area code 530. They oversee rates, service quality, and numbering resources, ensuring compliance from carriers.
The California Public Utilities Commission (CPUC) website offers more information about specific telecommunications carriers within area code 530. You can also learn about carrier designations like Competitive Local Carrier (CLC) or Cellular Retail Reseller (CER).
As of December 2024, data suggests 86.9% of available prefixes within area code 530 are assigned to telecom companies. This signifies a potentially tightening supply of available numbers in the future.
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