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A toll-free telephone number or freephone number is one number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country.
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, or 888.Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future.
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] Covers Canada, the United States, parts of the Caribbean Sea, and some Atlantic and Pacific islands. NXX Central office code The second NXX block is the central office code.
The dialing of 1 or 0 instead of I or O in phonewords can lead to misdialed calls; one such typosquatting incident targeted 1-800-HOLIDAY (+1-800-465-4329, the toll-free direct reservations line for Holiday Inn) by subscribing 1-800-H0LIDAY (+1-800-405-4329, the same number with 'o' replaced by 'zero') to a rival vendor which stood to collect a ...
The TNAS System is a database for co-ordination of allocation and porting of toll-free numbers and is used by nine carriers. [5] A client may switch service providers, or a service provider switch host carriers, without a change in the published toll-free number.
Wikibooks is an open-source wiki-based Wikimedia project hosted by the Wikimedia Foundation for the creation of free content digital textbooks and annotated texts that anyone can edit. As of December 2024, Wikibooks book modules have been created in 121 editions, with 77 currently active and 44 closed.
Direct-distance dialing (DDD) was first introduced in areas with common-control switching (panel and crossbar) in the 1950s.These areas had used 411 for directory assistance, and because of the ability of common-control switching to analyze the initial digits of a number in a "sender" before routing the call, these areas did not require the dialing of an initial 1 to initiate a long-distance call.
Since 1997, New Brunswick implemented a province-wide Tele-Care service, adopting the 8-1-1 number in place of the toll-free 800 number in 2010. [9] [10] Quebec has since supplemented its teletriage service (Info-Santé) with access to a social worker to deal with situations of psychosocial distress (Info-Social) at the same 8-1-1 number. [11]