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The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [ 1 ] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...
Area codes 519, 226, 548, and 382 are overlay telephone area codes in the North American Numbering Plan (NANP) for most of southwestern Ontario.. Area code 519 was the initial code of the numbering plan area (NPA).
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.
In 1971, it was renamed to Tele-Direct Inc. [3] In 1999, the company changed its name to Bell Actimedia Inc. to reflect a closer alliance with Bell. [4] In 2002, Kohlberg Kravis Roberts and the Ontario Teachers' Merchant Bank acquired control of Yellow Pages Group, with Bell Canada retaining 10% ownership. [3]
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Almost all Toronto Bell Canada landlines have area code 416, with 647-numbers allocated disproportionately to a growing mobile telephone market and to competitive local exchange carriers, such as cable and voice-over-IP services. Telephone numbers are portable, with few exceptions for specific services such as pocket pagers.
YP Western Directory LLC, formerly Pacific Bell Directory, was the advertising and publishing division of the Pacific Telesis Group. PBD Holdings held Pacific Bell Directory under its umbrella, who published directories in both Nevada and California .
The incumbent local exchange carriers in 705/249 are Bell Canada, Northern Telephone, Bell Aliant , Eastlink, and some municipally-owned carriers. In February 2017, area code 683 was reserved as a third area code for the numbering plan area, [ 4 ] After further debate, it was decided to activate 683 as a third overlaid area code for this region ...