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This is a list of dialing codes in Greece. The first digit represents the type of service. 1 is used for short codes, 2 for geographical numbers, 5 is used for inter-network routing purposes and VPNs, 6 for mobile services, 7 is reserved for universal access numbers, 8 for reduced-fee services, 9 is used for premium rate services. All dialable numbers are ten digits, except for short codes, 807-XXXX used for calling card access codes, and numbers in the 5 range, used for routing purposes and not dialable by end-subscribers.
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing. Telephone numbering plans are defined in each of the administrative regions of the public switched telephone network (PSTN) and in private telephone networks.
Telephone numbers in the United Kingdom are administered by the Office of Communications (Ofcom). For this purpose, Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations.
Telephone numbers in China are organized according to the Chinese Telephone Code Plan. The numerical formats of landlines and mobile phones are different: landlines have area-codes, whereas mobile phones do not. In major cities, landline-numbers consist of a two-digit area code followed by an eight-digit inner-number. In other places, landline-numbers consist of a three-digit area code followed by a seven- or eight-digit inner-number. The numbers of mobile phones consist of eleven digits.
Telephone numbers in Hong Kong are mostly eight-digit. Fixed land line numbers start with 2 or 3, mobile (cellular) phone numbers with 5, 6, 7 or 9, pager numbers with 7 and forwarding service with 8. Since the end of 1989, there have been no area codes within Hong Kong.
The dialling plan for mobile networks and new landline operators is closed; all subscriber numbers must be dialled in full. For landline numbers starting with 02, the dialling plan used to be open; the trunk digit and area code could be omitted if the caller was in the same area code as the callee. However, starting May 3, 2008, all landline numbers must be dialled in full.
Telephone numbers in Europe are managed by the national telecommunications authorities of each country. The country calling codes start primarily with 3 and 4, however, some countries that by the Copenhagen criteria are considered part of Europe have country codes from the Asia range, starting with 9.
Telephone numbers in Malaysia are regulated by the Malaysian Communications and Multimedia Commission (MCMC).
Area codes in Nigeria are 1 or 2 digits long. Local phone numbers are between 5 and 7 digits long. The length of a phone number can vary even within area codes. Mobile phone numbers start with 070, 0digitsn1 or 090 followed by 8 digits
Portugal changed to a closed telephone numbering plan on 31 October 1999; previously, the trunk prefix was '0', but this was dropped.
Telephone numbers in Israel consist of an area code and a subscriber number. The dial plan type in Israel is closed, and "0" is the internal Trunk prefix in Israel. Israel's country calling code is +972.
Telephone numbers in India are administered under the National Numbering Plan of 2003 by the Department of Telecommunications of the Government of India. The numbering plan was last updated in 2015. The country code "91" was assigned to India by the International Telecommunication Union in the 1960s.
Telephone numbers in Estonia follow a closed telephone numbering plan.
Iraq area codes can be 1 or 2 digits and the subscriber numbers are usually 6 digits. In Baghdad and some other governorates, they are 7 digits. The mobile numbers have 10 digits, beginning with the 3-digit code of each operator followed by 7 digits.
Telephone numbers in Iceland are seven digits long and generally written in the form xxx xxxx or xxx-xxxx and the E.123 format specifies +354 xxx xxxx from abroad since the country code is +354.
Telephone Numbers in Iran
For domestic calls, 0 must be dialled before the user number of another administrative unit. The prefix for international calls from Albania is 00. Below is an explanation when dialling a number within the Tirana administrative unit:
0 4 xxx xxxx 0 4 xxx xxxx +355 4 xxx xxxx
The national conventions for writing telephone numbers vary by country. While international standards exist in the form of the International Telecommunication Union sector ITU-T issued recommendation E.123, national telephone numbering plans define the format and length of telephone numbers assigned to telephones.
There were changes to the telephone numbering plan in Georgia which were expected to be completed by the end of 2011. This article is being updated after all the major changes, also the dates of these changes are indicated.
National Significant Numbers (NSN): four to nine digits.
References
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