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For international access the NANP is assigned the country code 1, which is dialed as a prefix in the international E.164 telephone numbering plan. The trunk prefix for dialing long-distance calls, across numbering plan area (NPA) boundaries within Canada or to other NANP countries, is also 1 .
Technically, it was only necessary that no two prefixes within the same local calling area be duplicates, but the code protection as implemented reserved the numbers across both area codes. This meant that if an 819-number was being used in Hull, the corresponding 613-number could not be used anywhere in eastern Ontario, even in areas a safe ...
Area code 942 is scheduled for addition to the 416/647/437 overlay on April 26, 2025. [8] Area code 387 has been reserved for Toronto's future use. Since the implementation of area code 647, overlays have become the preferred solution for exhaustion relief in Canada, as it does not require renumbering existing subscriber accounts.
Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...
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). It was created in 1953 from the western portion of area code 416 and the southwestern portion of 613.
The Canadian federal government's Innovation, Science and Economic Development Canada allots the individual call signs to the radio amateurs it licenses. There are 24 possible 2-letter prefixes and 240 2-letter/1-number prefixes available to Canadian operators based on the ITU blocks (CF–CK, CY–CZ, VA–VG, VO, VX–VY and XJ–XO).
A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have ...
When dialing a telephone number, the area code may have to be preceded by a trunk prefix or national access code for domestic calls, and for international calls by the international access code and country code. Area codes are often quoted by including the national access code. For example, a number in London may be listed as 020 7946 0321.