richmond area code

Richmond Area Code - Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) that serve most of the East Bay in the US 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 Sunwell.

On March 4, 1998, the central East Bay area was assigned the 925 code. The dividing line followed the Berkeley hills and the remnants of 510 west of the mountains, while moving to 925 but the land east of the mountain.

Richmond Area Code

In response to expectations that 510 will expire in the second quarter of 2019, the California Public Utilities Commission has approved the addition of the coverage area code, 341, to serve the East Bay. The first ctral office code of 341 was received on July 22, 2019.

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In 2016, the California Public Utilities Commission (CUPC) predicted that 510 NPAs would exhaust their pool by the second quarter of 2019. In response, they held a meeting in Berkeley, The commission met in Oakland, and Hayward in January and February 2017 to discuss relaxing the area's code. For 510

The North American Area Code Administrator (NANPA) recommended in May 2017 that the CPUC reduce 510 by adding area code 341 to Tier 1 areas. NANPA designated 341 as such as the 510 assistance area code in 1999, but the nationwide numbering system eliminated the need at that time. NANPA has allocated 341 for the next 510 grants.

With the launch of the coverage plan in July 2019, all customers in the coverage plan area can be assigned an all-code phone number, and must dial the area code for all calls; Otherwise, there is a recorded message to remind them if the call is wrong.

In the US, AT&T originally used the NPA 510 for its TWX (TeletypeWriter Exchange) network. Western Union acquired the TWX network in 1969 and renamed it Telex II. In the 1970s, three TWX codes were added (710 in the Northeast, 810 in Michigan, Ohio, Indiana, Kentucky, North Carolina, South Carolina, Georgia, Florida, Louisiana, Mississippi, and Alabama; and 910 in the West Mississippi). All major cities had one or more local exchange prefixes.

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Western Union upgraded the network to "row 4" ASCII operation (it had previously used "row 3" Baudot and ASCII transmission) and abandoned the special area code TWX in 1981.

In Canada, TWX used 610 (nationwide) from 1962 until the rest of the numbers moved to the 600 code in 1992.

California Area Codes: 209, 213/323, 279/916, 310/424, 341/510, 408/669, 415/628, 442/760, 530, 559, 562, 6158, 615/6564 /818, 805/ 820, 831, 840/909, 925, 949, 951