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Toll-free numbers in the North American Numbering Plan (NANP) are commonly called "800-numbers" after the first area code assigned for the service. Today, several prefixes are used: 800 (since January 1, 1966), 888 (since March 1, 1996), 877 (since April 4, 1998), 866 (since July 29, 2000), 855 (since October 9, 2010), [36] 844 (since December ...
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. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
Automatic number identification ( ANI) [1] [2] is a feature of a telecommunications network for automatically determining the origination telephone number on toll calls for billing purposes.
RespOrg. A RespOrg, or responsible organization, is a company that maintains the registration for individual toll-free telephone numbers In the North American Numbering Plan by means of the distributed Service Management System/800 database.
Wide Area Telephone Service ( WATS) was a flat-rate long-distance service for customer dial-type telecommunications in the service areas of the North American Numbering Plan (NANP). The service was between a given customer phone (also known as a "station") and stations within specified geographic rate areas, employing a single telephone line ...
The number contains the information necessary to identify the intended endpoint for a telephone call. Many countries use fixed-length numbers in a so-called closed numbering plan. [5] A prominent system of this type is the North American Numbering Plan.
Premium-rate telephone numbers are telephone numbers that charge callers higher price rates for select services, including information and entertainment. A portion of the call fees is paid to the service provider, allowing premium calls to be an additional source of revenue for businesses.
A vanity number is a local or free-to-call telephone number for which a subscriber requests an easily remembered sequence of numbers for marketing purposes. While many of these are phonewords (such as 1-800-Flowers, 313-DETROIT, 1-800-Taxicab or 1-800-Battery), occasionally all-numeric vanity phone numbers are used.
In the U.S., directory assistance for companies with toll-free "800 numbers" (with area codes 800, 833, 844, 855, 866, 877, and 888) was available from toll-free directory assistance, reachable by dialing 1-800-555-1212, for many decades until it was discontinued in 2020.
800 (number) 800 ( eight hundred) is the natural number following 799 and preceding 801 . It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and the area of a square with diagonal 40. [1]