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  2. List of Oregon area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Oregon_area_codes

    503: The northwestern corner of Oregon, including Portland and its metropolitan area, Salem and other cities 541: All of Oregon outside the northwestern corner, including Eugene. 971: An overlay of area code 503. Until 2008, 971 was a concentrated overlay, meaning it was only present in some parts of the 503 area. Today it is a standard overlay.

  3. Area codes 503 and 971 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_503_and_971

    In the initial configuration of the nationwide telephone numbering plan designed by AT&T in 1947, [1] the state of Oregon was assigned a single area code, 503. Despite Oregon's growth in the second half of the twentieth century, particularly in the Willamette Valley (Portland and Eugene), this remained so for 48 years, making Oregon one of the largest states by area with a single area code.

  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. List of telephone country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_country...

    Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.

  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. 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 ...

  8. KKCW - Wikipedia

    en.wikipedia.org/wiki/KKCW

    KKCW (103.3 FM, "K103") is a commercial radio station licensed to Beaverton, Oregon and serving the Portland metropolitan area. It is owned by iHeartMedia and airs an adult contemporary radio format. From mid-November to December 31 each year, it switches to all-Christmas music.

  9. KWJJ-FM - Wikipedia

    en.wikipedia.org/wiki/KWJJ-FM

    KWJJ-FM (99.5 MHz) is a commercial radio station in Portland, Oregon. It is owned by Audacy, Inc. and airs a country music radio format. [3] The studio is on SW Bancroft Street, near downtown Portland. [4] The station transmitter is atop Portland's West Hills, off SW Fairmount Court. [5]