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  2. Interchangeable NPA and central office codes - Wikipedia

    en.wikipedia.org/wiki/Interchangeable_NPA_and...

    The ten-digit telephone numbers of the North American Numbering Plan consist of a three-digit numbering plan area code (NPA code), written as the most-significant part of the national telephone number, followed by the three-digit central office code, and the four-digit local line or station number. From 1947 to 1995, all NPA codes were ...

  3. List of New York area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_New_York_area_codes

    New York City: Manhattan only; overlays with 212, 332, and 917 680: 2017: Syracuse, Utica, Watertown, and north central New York; overlay of 315 716: 1947 Buffalo, Dunkirk-Fredonia, Olean, Jamestown, Niagara Falls, Tonawanda and western New York; will be overlaid by 624 in 2024 718: 1984 New York City: all except Manhattan; overlays with 347 ...

  4. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    New York (New York City: Manhattan only, except for Marble Hill) 1947: created for all of New York City; 1984: split to create 718 for Brooklyn, Queens, and Staten Island; 1992: the Bronx switched to 718; 1992: overlaid by 917; 1999: overlaid by 646; 2017: overlaid by 332; 213: California (central area of Los Angeles) 1947: created for the ...

  5. List of Texas area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Texas_area_codes

    Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)

  6. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.

  7. Area codes 212, 646, and 332 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_212,_646,_and_332

    During November 2015, area code 332 was assigned as a third overlay area code for Manhattan, [9] [10] the fourth serving the area and the seventh serving New York City. Area code 332 became active on June 10, 2017, [ 11 ] [ 12 ] as area code 212 was expected to become depleted of numbers during the third quarter of 2017, [ 13 ] [ 14 ] and 646 ...

  8. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]

  9. List of future North American area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_future_North...

    This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters .