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The RespOrg is not the carrier. A Canadian carrier could be used for Canadian calls and a U.S. carrier for American calls; a user with many inbound local voice over IP numbers in multiple cities could convert toll-free calls on one main toll-free number to local calls in each city where it has a point of presence. Percentage Allocation routing
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.
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes. In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes.
In the late 1970s, daytime calls longer than three minutes were billed at over $1 per minute to discourage the long-winded. The VHF equipment was located near the Santa Clara Valley Water District 's Rinconada Water Treatment Plant on More Avenue at NAD27 coordinates 37°15′22″N 121°58′59″W / 37.25611°N 121.98306°W / 37. ...
Before direct distance dialing (DDD), all long-distance calls were established by special switchboard operators (long-distance operators) even in exchanges where calls within the local exchange were dialed directly. Completion of long-distance calls was time-consuming and costly as each call was handled by multiple operators in multiple cities.
Map of LATAs in the US. Local access and transport area (LATA) is a term used in U.S. telecommunications regulation.It represents a geographical area of the United States under the terms of the Modification of Final Judgment (MFJ) entered by the United States District Court for the District of Columbia in Civil Action number 82-0192 or any other geographic area designated as a LATA in the ...
(03) 3xx xxxx — to call Christchurch from Nelson. (03) 54x xxxx — to call Nelson from Christchurch. In many areas of the NANP, the domestic trunk code (long-distance access code) must also be dialed along with the area code for long-distance calls even within the same numbering plan area. For example, to call a number in Regina in area code ...
The first telephone system was installed in Newfoundland in 1885, but domestic long-distance calls within the Dominion of Newfoundland could be placed on a limited basis only in 1921. The first long-distance call from Newfoundland to Canada was made on January 10, 1939, by using a shortwave radio link operated by the Canadian Marconi Company in ...