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Fixed phone numbers in the United States, state California are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly.
- Davis
Davis - California, United States - Area Phone Codes
- Sacramento
Sacramento - California, United States - Area Phone Codes
- Campbell
California: Campbell: Number: List of area codes. 408-364....
- Chino
Chino - California, United States - Area Phone Codes
- Davis
Area codes for California, United States, California dial code information. Country dial and city area codes for California Dial code widgets for California.
CityArea CodeDialing CodeAlameda510+1 510Alhambra626+1 626Anaheim714+1 714Antioch925+1 925Feb 28, 2024 · A valid US phone number format typically consists of ten digits, with the first three digits representing the area code, the next three digits being the prefix, and the final four digits making up the line number.
The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [1] As of July 2023, California has 38 active area codes.
Area CodeService AreaNotesStockton, Modesto, Merced, Turlock; the ...Split from 415 on October 26, 1957; split ...Much of the City of Los Angeles and ...October 1947; split numerous times since ...Sacramento and most of the Sacramento ...overlay with 916, started service on ...The western and southwestern parts of Los ...Split from 213 on November 2, 1991;Oct 22, 2021 · Residents residing in those area codes will have to dial all 10 digits for any calls — including local numbers. Calls made using only seven digits will not be completed; users will be...
California currently has 40 area codes. A new area code is added to a geographic area when there are no more three-digit prefixes available in the existing area code. Area codes are added in the form of a geographic split or an overlay. California has added fourteen area codes using the overlay method since 2006.
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There are two lists that Wirefly provides for the area codes in California. The first table below shows the most populated cities in California with the area codes listed next to them. The next table shows the all the California state area codes by number with the names of the city they are used in.