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

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

    prior to October 18, 1980, the area code served Tijuana, Mexico, and adjacent areas bordering the United States; split of 214; 2003: overlaid by 430; 904: Florida (Jacksonville, St. Augustine, Starke, and most of northeastern Florida) July 11, 1965: split of 305; 1995: split to create 352; 1997: split to create 850; 2001: split to create 386 ...

  3. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    This was accomplished by adding the digit "9" to the beginning of any phone number that started with a "9" (government and semi-government connections), and adding the digit "3" to any phone numbers that did not start with the number "9". [1] It is common to write phone numbers as (0xx) yyyyyyy, where xx is the area code.

  4. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    Canada and the United States have experienced rapid growth in the number of area codes, particularly between 1990 and 2005. The widespread adoption of fax, modem, and mobile phone communication, as well as the deregulation of local telecommunication services in the United States during the mid-1990s, increased the demand for telephone numbers.

  5. 555 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/555_(telephone_number)

    The 555 exchange is not reserved in area codes used for toll-free phone numbers. This led to the video game The Last of Us accidentally including the number to a phone-sex operator. [11] The number "555-2368" (or 311-555-2368) is a carryover from the "EXchange 2368" ("Exchange CENTral") number common in telephone advertisements as early as the ...

  6. Lists of North American area codes - Wikipedia

    en.wikipedia.org/wiki/Lists_of_North_American...

    The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union.

  7. 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.