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  2. Area code 412 - Wikipedia

    en.wikipedia.org/wiki/Area_code_412

    Area code 412. Coordinates: 40.488°N 79.892°W. Pennsylvania (blue) with numbering plan area 412 shown in red. Area code 412 is a telephone area code in the North American Numbering Plan (NANP) for the Commonwealth of Pennsylvania. The numbering plan area (NPA) comprises the city of Pittsburgh, most of surrounding Allegheny County, and small ...

  3. List of Pennsylvania area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_area...

    Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania (blue). This is a list of telephone area codes of Pennsylvania.. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each.

  4. 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]

  5. Area code 724 - Wikipedia

    en.wikipedia.org/wiki/Area_code_724

    Area code 724 is a telephone area code in the North American Numbering Plan for the Commonwealth of Pennsylvania in western and southwestern Pennsylvania, including a portion of the suburbs of Pittsburgh. It was created in an area code split of area code 412 on February 1, 1998, which made the 412 numbering plan area (NPA) an enclave for the ...

  6. Pittsburgh - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh

    Pittsburgh (/ ˈpɪtsbɜːrɡ / PITS-burg) is a city in and the county seat of Allegheny County, Pennsylvania, United States. It is the second-most populous city in Pennsylvania, after Philadelphia, and the 68th-most populous city in the U.S., with a population of 302,971 as of the 2020 census. The city is located in southwestern Pennsylvania ...

  7. List of Pittsburgh neighborhoods - Wikipedia

    en.wikipedia.org/wiki/List_of_Pittsburgh...

    This is a list of 90 neighborhoods in the city of Pittsburgh, Pennsylvania, United States. Generally neighborhood development followed ward boundaries, although the City Planning Commission has defined some neighborhood areas. [1] The map of neighborhoods presented here is based on the official designations from the City of Pittsburgh. [2]

  8. Area codes 814 and 582 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_814_and_582

    Area codes 814 and 582. Coordinates: 40.921°N 78.761°W. Pennsylvania (blue) with numbering plan area 814 shown in red. Area codes 814 and 582 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern and central portions of the Commonwealth of Pennsylvania. Cities served by the area code include Altoona ...

  9. Downtown Pittsburgh - Wikipedia

    en.wikipedia.org/wiki/Downtown_Pittsburgh

    Downtown Pittsburgh, colloquially referred to as the Golden Triangle, and officially the Central Business District, [2] is the urban downtown center of Pittsburgh, Pennsylvania, United States. It is located at the confluence of the Allegheny River and the Monongahela River whose joining forms the Ohio River. The triangle is bounded by the two ...

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