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  2. 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]

  3. Area code 878 - Wikipedia

    en.wikipedia.org/wiki/Area_code_878

    The first 878 numbers were assigned in April 2013, nearly 12 years after the overlay was activated. [3] On September 15, 2015, the first prefix (999) was assigned in the 412 territory. [4] As of February 2020, Verizon is issuing 878 telephone numbers for 412's original territory.

  4. Area code 724 - Wikipedia

    en.wikipedia.org/wiki/Area_code_724

    Within only two years, both 724 and 412 were nearing exhaustion due to rapid growth of telecommunication services in the Pittsburgh area from proliferation of cell phones and pagers. By this time, overlays had gained more acceptance, and area code 878 was implemented as an overlay complex with both the 412 and 724 territories on August 17, 2001 ...

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    The Glenn Miller tune PEnnsylvania 6-5000 refers to telephone number PE6-5000, a number in service at the Hotel Pennsylvania (212 736-5000) in New York City until the hotel's closing in 2020. Similarly, the movie BUtterfield 8 is set in the East Side of Manhattan between roughly 64th and 86th Streets, where the telephone prefixes include 288.

  6. Telephone prefix - Wikipedia

    en.wikipedia.org/wiki/Telephone_prefix

    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 ...

  7. Fort Worth Spinks Airport - Wikipedia

    en.wikipedia.org/wiki/Fort_Worth_Spinks_Airport

    Fort Worth Spinks Airport covers an area of 822 acres (333 ha) at an elevation of 700 feet (213 m) above mean sea level.It has two runways: 18R/36L is 6,002 by 100 feet (1,829 x 30 m) with an asphalt surface; 18L/36R is 3,660 by 60 feet (1,116 x 18 m) with a turf surface.

  8. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...

  9. National Record Mart - Wikipedia

    en.wikipedia.org/wiki/National_Record_Mart

    National Record Mart, known as NRM for short, was an American music store chain. The first music store chain in the United States, it was founded in 1937 in Pittsburgh, Pennsylvania, and operated more than 130 locations at its peak. Other stores under its ownership included Oasis, Music X, Waves Music, and Vibes.