WebArea codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California.They cover parts of Contra Costa County and western Alameda County, including the city of Oakland, but excluding Dublin, Livermore, Pleasanton, and Sunol.. Area code 510 was established on …

WebThis is a list of area codes in California with service territory and installation dates. 209 – Stockton, Modesto, Merced, ... South: 415, 510/341, 925: Oregon area codes: 458/541, 503/971 This page was last edited on 14 March 2022, at 16:36 (UTC). Text is available under the Creative Commons ...

WebArea codes with two identical trailing digits are considered easily recognizable codes (ERC), which are reserved, or used for systemwide services. ... overlaid by 341; 511: Not an area code—used as a local information number for transportation and road conditions, and/or local police non-emergency services ... (Telex) service (along with 510 ...

WebArea codes 209 and 350 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. ... 279/916, 310/424, 341/510, 408/669, 415/628, 442/760, 530, 559, 562, 619/858, 626, 650, 657/714, 661, 707, 747/818, 805/820, 831, 840/909, 925, 949, 951; North: 530, 916/279: West: 408/669, 279/916, 925: area codes ...

WebArea codes 213 and 323 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California.They are assigned to a numbering plan area (NPA) that comprises, roughly, the area of central Los Angeles, and includes several Southeast LA communities, such as Bell and Huntington Park.The area codes designated separate …

WebArea codes 909 and 840 are telephone area codes in the North American Numbering Plan (NANP) for the far-eastern part of Los Angeles County and southwestern San Bernardino County in the U.S. state of California.. Area code 909 was split from area code 714 on November 14, 1992. By August 1993, dialing of the area code became mandatory. …

WebArea codes 415 and 628 are telephone area codes in the North American Numbering Plan (NANP) for the city of San Francisco and its northern suburbs in Marin County (across the Golden Gate), ... area code 415/628: East: 510/341, 925: …

WebArea codes 805 and 820 are telephone area codes in the U.S. state of California. 805 was split from area code 213 in 1957. They include most or all of the California counties of San Luis Obispo, Santa Barbara, Ventura, plus the southernmost portions of Monterey County.. On February 13, 1999, area code 805 was split, with area code 661 having been created …

WebArea codes 617 and 857 are the North American area codes serving Boston and several surrounding communities in Massachusetts—such as Brookline, Cambridge, Newton and Quincy (LATA code 128).. The main area code, 617, was one of the original area codes from October 1947, and originally covered the eastern two-thirds of Massachusetts, from …

WebArea codes 408 and 669 are telephone area codes in the North American Numbering Plan (NANP) ... North: 510/341, 925: West: 650: area code 408/669: East: 209: South: 831 This page was last edited on 2 August 2021, at 22:20 (UTC). Text is available under the Creative ...