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  2. Toll-free number portability - Wikipedia

    en.wikipedia.org/wiki/Toll-free_number_portability

    Toll-free number portability (Canada, US, New Zealand) or freephone number portability (Australia, UK) allows the subscriber of a freephone number to switch providers ...

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

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

    A RespOrg system was implemented in 1993 to provide toll-free number portability between rival carriers using the SMS/800 database. Open competition also brought an end to the pattern of long distance subsidizing local service, bringing per-minute charges down to levels where any business could afford to take orders using an 800-number.

  4. Local number portability - Wikipedia

    en.wikipedia.org/wiki/Local_number_portability

    Local number portability ... Toll-free telephone numbers (area code +1-800) have been portable through the RespOrg system since 1993 in the US [31] and 1994 in Canada.

  5. RespOrg - Wikipedia

    en.wikipedia.org/wiki/RespOrg

    RespOrgs were established in 1993 as part of a Federal Communications Commission order instituting toll-free number portability. [1] A RespOrg (pronounced as though it were a single word, something like "ressporg") can be a long-distance company, reseller, end user or an independent that offers an outsourced service.

  6. Somos, Inc. - Wikipedia

    en.wikipedia.org/wiki/Somos,_Inc.

    Toll-free telephone service is a telecommunication service in which subscribers are assigned telephone number in NPAs 800, 888, 877, 866, 855, 844, and 833. Calls to these numbers incur no toll charges for callers. The American Telephone & Telegraph Company (AT&T) first introduced 800 toll-free service in 1967. [2]

  7. Telephone number portability - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_portability

    Toll-free number portability - telephone number portability for freephone subscribers. This page was last edited on 28 August 2023, at 17:35 (UTC). Text is ...

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