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Area codes 213, 323, and 738 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. They are assigned in an overlay complex to a numbering plan area (NPA) that comprises, roughly, the area of downtown Los Angeles City, as well as several southeast Los Angeles County cities, such as Bell and ...
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. 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 ...
Not assignable; N11 code for repair service for land-line telephones, customer service for wireless carriers 612: Minnesota (Minneapolis, Fort Snelling, St. Anthony, and Richfield) 1947: 1954: split to create 507; 1996: split to create 320; 1998: split to create 651; 2000: split to create 763 and 952; 613: Ontario (Ottawa metropolitan area and ...
Area code 818 entered service on January 7, 1984, [1] making Los Angeles one of the first major cities to be split among multiple area codes. Area code 626 was assigned to a portion of the eastern part on June 14, 1997. In November 1999, telephone administrations proposed an additional area code "at some future date".
A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have ...
Prior to October 2021, area code 707 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline , which created a conflict for exchanges that permit seven-digit dialing .
Area codes 805 and 820 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. The numbering plan area (NPA) includes most or all of the counties of San Luis Obispo , Santa Barbara , Ventura , and the southernmost portions of Monterey County . 805 was split from area code 213 in 1957, and area code ...
Before the late 1980s and the arrival of cellular and PCS mobile phone service, GTE offered Improved Mobile Telephone Service (IMTS) on VHF (152 MHz) and UHF (454 MHz) frequencies in Los Gatos. The service included full-duplex dial service.