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  2. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    There’s an easy way to find out: conduct a reverse phone lookupfor free. But is there a truly free reverse phone lookup? Yes — there are plenty of sites that offer free reverse phone lookups.

  3. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    Number ranges Notes NXX often denoted NPA: Numbering plan area code The first NXX block is the numbering plan area code. When the second and third digits are the same, the code is an easily recognizable code (ERC). ERCs designate special services; e.g., 800 for toll-free service. The NANP is not assigning area codes with 9 as the second digit. [37]

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

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

    not in use; available for toll-free assignment: Codes 880 through 882 were used (until 1 April 2004) to allow international customers to access toll-free numbers they otherwise could not by paying the international portion of the toll. 880 was paired with 800, 881 with 888, and 882 with 877. [21] 888: toll-free telephone service: March 1, 1996 ...

  5. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Some are not accessible from pay phones. Calls from pay phones assess the toll-free owner an additional fee in the U.S., as mandated by the FCC. Although toll-free numbers are not accessible internationally, many phone services actually call through the U.S., and in this case the toll-free numbers become available.

  6. Identify any mystery caller for free with this phone number ...

    www.aol.com/news/identify-mystery-caller-free...

    The TruePeopleSearch.com website works for landline and cellphone numbers, allowing you to do a reverse phone lookup for any type of phone number. Identify any mystery caller for free with this ...

  7. 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 ...

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