California Area Code – Area Code List And Maps

California currently uses 34 California Area Code. When first established by AT&T and the Bell System in 1947, 213 covered Southern California including Los Angeles, 415 covered Northern / Central California including San Francisco and Sacramento, and 916 covered Northern California. , But did not include Sacramento.

The most recent California Area Code addition was 820 as an overlay from 820 in 2018. Today, the 760 state has the most population with an estimated 5.7 million of 37.3 million inhabitants.

California Area Code

The 34 area codes That serve California With Installation Dates

209 – Stockton, Modesto, Meredd, Turlock; Northern San Joaquin Valley and Central Sierra Nevada Range. (Divided by 415 on October 26, 1957, divided by 559 on November 14, 1998)

213 – Divided several times since the city of Los Angeles and several inner suburbs (October 1947); incl. A split from 323 on 13 June 1998; In August 2017, the boundary between 213 and 323 was erased to give a shape. Overlay)

279 – Over 916 on 10 March 2018.

310 – The western and southwestern part of Los Angeles County, including the Westside and South Bay areas. These include the cities and towns of Santa Monica, Malibu, Pacific Palisades, Compton, Torrance, Beverly Hills, and Catelog Island. (Divided from 213 on November 2, 1991; over 424 on August 26, 2006

323 – overtook 213 in 1998.

341 – Over 510 on July 22, 2019

408 – San Jose, Sunnyvale, Gilroy, Morgan Hill, and Los Gatos, Most of Santa Clara County.

415 – San Francisco, San Rafael, Novato; San Francisco County, most of Marin County and a small portion of northern San Mateo Count

424 – Overlay with – 310, commenced service on 26 August 2006.

442 – Overlay with – 760, commenced service on 24 October 2009.

510 – Oakland, Fremont, Hayward, Berkeley and Richmond; Western Alameda and Contra Costa County. (Divided from 415 on 2 September 1991; more than 341 on 22 July 2019

530 – Redding, Chico, Davis, Marysville, Red Bluff, Oroville, Plaqueville, Trokee, Yuba City; Northeastern California includes the Sacramento Valley, northern Sierra Nevada, and most of the Lake Tahoe region. (Divided from 916 on November 1, 1997)

559 – Fresno, Visalia, Madera, Hanford; Central San Joaquin Valley and the Southern Sierra Nevada Range. (Divided from 209 on 14 November 1998)

562 – Long Beach, Whittier, Norwalk, Luckwood, Bellflower, Cerritos, southeastern Los Angeles County and a small portion of coastal Orange County. (Divided by 310 on 25 January 1997)

619 – City of San Diego and Suburbs; Formed on November 5, 1982, divided by 714; Divided on 40 on 12 March 1922 and on5 on 12 June 19; Re-merged with 858 in June 2018 to create 619/858 overlay

626 – Pasadena, El Monte, West Covina; San Gabriel Valley and the eastern suburbs of Los Angeles. (Divided from 818 on June 14, 1997)

628 – 415 with overlay effective 21 March 2015

650 – San Mateo, Palo Alto, Redwood City, Daly City; Most of San Mateo County and northwestern Santa Clara County (i.e., with the exception of the City of San Francisco Peninsula and San Francisco County). (Divided from 415 on 2 August 1997)

657 – Added with 714 on September 23, 2008

661 – Bakersfield, Santa Clarita, Palmdale; Most of Kern County, including Antelope Valley, northern Los Angeles County and southern San Joaquin Valley. (Divided from 805 on February 13, 1999)

669 – Mixed with 408 on November 20, 2012

707 – Santa Rosa, Eureka, Sebastopol, Petalama, Napa, Velejo, Fairfield; Including Northwestern California, North Bay Area, Redwood Empire and Wine Country. (Divided from 916 on March 1, 1959)

714 – Anaheim, Huntington Beach, Santa Ana, Orange, Westminster, Garden Grove, etc .; Northern and Western Orange Counties

747 – Overlay with 818 on 18 May 2009

760 – Palm Springs, Oceanside, Bishop, Redecrest, Bairstow, El Centro, Needle, Victorville; Northern San Diego County, Eastern Riverside and San Bernardino Counties .

805 – Santa Barbara, San Luis Obispo, Ventura, Oxnard, Santa Maria, Santa Paula; The southwestern Central Coast, including San Luis Obispo, Santa Barbara and Ventura counties. (Divided by 213 on January 1, 1957, divided by 661 on February 13, 1999; overlayed with 820 on July 2, 2018.)

818 – San Fernando Valley of Los Angeles County: Burbank, Van Nuys, Glendale, Chatsworth, San Fernando, Panorama City and Northridge. (Divided by 213 on January 7, 1984; Divided by 626 on June 14, 1997; More than 747 on May 2009;)

820 – Overlay with 805 on 2 July 2018

831 – Monterey, Santa Cruz, Salinas and Hollister; North Central Coast. (Divided by 408 on 11 July 1998)

840 – 239, overlay of 909 effective 2021

858 – City of San Diego and Suburbs; Originally created by a division from 619 on June 12, 1999; However, it was re-merged with 619 to create a 619/858 overlay in June 2018)

909 – San Bernardino, Ontario, Pomona and Chino; East Los Angeles County and Southwestern San Bernardino County. (Divided from 9516 on November 14, 1992; separated from 951 on July 1, 2007; Effective February 5, 23, 2021;

916 – Sacramento and most of the Sacramento metro: Folsom, Roseville

California Area Code

What Is Area Code?

Area Code Is A three-digit code that Finds one of the telephone areas into which the U.S. and other countries are divided and that is the local telephone number when dialing a call between areas.

Why are area codes added?

Area codes are added when the current number expires. In North America, each area code has a potential capacity of about 8 million unique phone numbers. Increased use of cellular phones, modems, and Internet access may require existing telephone number resources, additional area codes may be required, according to Nestar.

Process

Once the new area code starts being assigned, there is usually a six-month period of transition, where customers are encouraged, but not required, to use the new code, but seven-digit. Dialing is allowed. After six months, callers are required to use the appropriate area code and telephone number.

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