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An unpublished number is also excluded from directory assistance services, such as 411. Landline telephone companies often charge a monthly fee for this service. As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory ...
Historically known for distributing yellow pages phone books across Canada, into the 21st century YPG has primarily shifted to digital marketing services, though they also operate the YellowPages.ca local business search engine and Canada411 online phone directory, [1] [2] and still print phone books on a limited basis to some customers as of 2024.
Canadian (and other North American Numbering Plan) telephone numbers are usually written as (NPA) NXX-XXXX. For example, 250 555 0199, a fictional number, could be written as (250) 555-0199, 250-555-0199, 250-5550199, or 250/555-0199. The Government of Canada's Translation Bureau recommends using hyphens between groups; e.g. 250-555-0199. [2]
This became mandatory on September 12. On September 20, Telus Mobility began allocating telephone numbers starting in area code 587 in the Calgary area. [5] An overlay was chosen rather than a splitting 403 or 780, which would have resulted in subscribers in portions of Alberta to change their telephone numbers for the second time in a decade.
The numbers were dialled with two letters and four digits (2L-4N). For example, GRover 1234 was dialled GR1234 (or 471234). Conversion to seven-digit (2L-5N) format began in 1951, and continued up to the introduction of direct distance dialling (DDD) in 1958. Toronto numbers that were converted from 2L-4N format, or from manual service, include:
Information Services Corporation (ISC) is a publicly traded Canadian multinational company that provides registry and information management services for public data and records. The company focuses on the development and management of secure government registries with significant experience in integrating and transforming government ...
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.
This law also does not extend its protections to non-Canadian phone numbers. Paragraph 41.7(4) of The Telecommunications Act [ 12 ] requires that every exempted telemarketer "shall maintain their own do not call list and shall ensure that no telecommunication is made on their behalf to any person who has requested that they receive no ...