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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.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...
The parentheses were used originally to indicate that the area code was not necessary for local dialing. The NPA-part of the number has the formal format NXX, since 1995 identical to the format of central office codes. The Government of Canada's Translation Bureau also recommends using hyphens between groups; e.g. 250-555-0199. [43]
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...
An additional digit has been added to the code of every carrier. Making a single code per carrier, after each carrier had to have multiple codes. And making the NSN 10 digits after it was 9. Dialing format inside Egypt is 01X XXXX XXXX, International format is 20 1X XXXX XXXX; 11: Etisalat: 12: Orange Egypt: 15: WE Egypt El Salvador +503: 6: 8
For international calls abroad or international roaming calls to Russia, E.123 international notation with an international call prefix '+' is the only allowed calling number format. For local calls both 8 and 7 are accepted as a trunk code.
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.
The presentation of a telephone number with the plus sign indicates that the number should be dialed with an international calling prefix, in place of the plus sign. The number is presented starting with the telephone country code. This is called the globalized format of an E.164 number, and is defined in the Internet Engineering Task Force RFC ...