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In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.
Callers dial 1-800 (888 or 866)-FREE411 [373-3411] from any phone in the United States to use the toll-free service. Sponsors cover part of the service cost by playing advertising messages during the call. Callers always hear an ad at the beginning of the call, and then another after they have made their request.
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 ...
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. [citation needed]
Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling. ... 800-290-4726 more ways to reach ... 877 numbers are toll-free numbers often ...
On May 1, 1993, the management and assignment of toll-free numbers transitioned from the interim 800 NXX Plan to a 10 digit management plan in the national 800 Service Management System (SMS/800). On January 25, 1995, INC designated the 888 Numbering Plan Area (NPA) code as the next area code for use in providing toll-free service.
A vanity number using 2-4-1 as "two for the price of one". 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 ...
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 ...