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Non-geographic toll-free telephone numbers (800, 833, [3] 844, 855, 866, 877, 888) and premium-rate telephone numbers (900) are allocated centrally by the NANP Administrator. Calls to telephone numbers with the central office code 976 are billed as expensive premium calls.
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888.Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future.
800 toll-free numbers are commonly called "800 免费电话". The official name is "被叫集中付费业务" (called party collect paid service), which means the cost of the call is borne not by the caller but by the party receiving the call. 800-toll-free numbers in China are ten-digit numbers beginning with "800". There is no prefix before ...
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]
By October 1991, area code 905 had been assigned to relieve exchanges in the Golden Horseshoe, which was and still is Canada's largest toll-free calling zone. The Golden Horseshoe's explosive growth in the second half of the 20th century and the corresponding expansion of telecommunications service would have made another area code necessary in ...
Purolator Inc. is a Canadian courier majority owned by Canada Post. It was founded as Trans Canada Couriers, Ltd and acquired in 1967 by Purolator, a US manufacturer of oil and air filters. [3] In 1987, the company returned to Canadian ownership.
The system was redesigned in 1981 to use a database, the SMS/800 service management system, which could direct any toll-free number to any destination based on various conditions; number prefixes remained tied to specific carriers until a RespOrg (responsible organization) structure was introduced in 1993 (US) and 1994 (Canada) to allow ...
[17] 1-800-COLLECT remains operational. Prior to the introduction of the toll-free 800 area code in 1967, a Zenith number (in the U.S. and Canada) or an enterprise number (in the U.S. only) would indicate to an operator that the business agreed to automatically accept collect calls to that number.