Telephone numbers in Asia have the most possible prefixes of any continent on Earth: 2, 3, 6, 7, 8, 9. Below is a list of country calling codes for various states and territories in Asia.
|Country name||Region||Country Code||International Call Prefix||Dialing plan||Main article|
|9||+93||00||Telephone numbers in Afghanistan|
|3||+374||00||Telephone numbers in Armenia|
|9||+994||00||Telephone numbers in Azerbaijan|
|9||+973||00||Telephone numbers in Bahrain|
|8||+880||00||Telephone numbers in Bangladesh|
|9||+975||00||Telephone numbers in Bhutan|
|2||+246||00||Telephone numbers in the British Indian Ocean Territory|
|6||+673||00||No area codes||Telephone numbers in Brunei|
|8||+855||00||Open||Telephone numbers in Cambodia|
|8||+86||00||Telephone numbers in China|
|2||+20||00||Telephone numbers in Egypt|
|9||+995||00||Telephone numbers in Georgia|
|8||+852||001||No area codes||Telephone numbers in Hong Kong|
|9||+91||00||Telephone numbers in India|
|6||+62||00x, 01xxx (VoIP)||Open||Telephone numbers in Indonesia|
|9||+98||00||Telephone numbers in Iran|
|9||+964||00||Telephone numbers in Iraq|
|9||+972||00, 01x||Telephone numbers in Israel|
|8||+81||010||Telephone numbers in Japan|
|9||+962||00||Telephone numbers in Jordan|
|7||+7||8~10||Telephone numbers in Kazakhstan|
|8||+850||00, 99||Telephone numbers in North Korea|
|8||+82||00 + carrier code||Telephone numbers in South Korea|
|9||+965||00||Telephone numbers in Kuwait|
|9||+996||00||Telephone numbers in Kyrgyzstan|
|8||+856||100||Open||Telephone numbers in Laos|
|9||+961||00||Telephone numbers in Lebanon|
|8||+853||00||Telephone numbers in Macau|
|6||+60||00||Open||Telephone numbers in Malaysia|
|9||+960||00||Telephone numbers in the Maldives|
|9||+976||001||Telephone numbers in Mongolia|
|9||+95||00||Open||Telephone numbers in Myanmar|
|9||+977||00||Telephone numbers in Nepal|
|9||+968||00||Telephone numbers in Oman|
|9||+92||00||Telephone numbers in Pakistan|
|9||+970||00||Telephone numbers in Palestine|
|6||+63||00||Open||Telephone numbers in the Philippines|
|9||+974||00||Telephone numbers in Qatar|
|7||+7||8~10||Open||Telephone numbers in Russia|
|9||+966||00||Telephone numbers in Saudi Arabia|
|6||+65||001, 002, 008||No area codes||Telephone numbers in Singapore|
|9||+94||00||Open||Telephone numbers in Sri Lanka|
|9||+963||00||Telephone numbers in Syria|
|8||+886||002, 005, 006, 007, 009, 019||Open||Telephone numbers in Taiwan|
|9||+992||8~10||Telephone numbers in Tajikistan|
|6||+66||001, 00x||Closed with 0||Telephone numbers in Thailand|
|6||+670||00||Closed||Telephone numbers in East Timor|
|9||+993||8~10||Telephone numbers in Turkmenistan|
|9||+971||00||Telephone numbers in the United Arab Emirates|
|9||+998||8~10||Telephone numbers in Uzbekistan|
|8||+84||00||Open||Telephone numbers in Vietnam|
|9||+967||00||Telephone numbers in Yemen|
|Country name||Country Code||International Call Prefix||Main article|
|+995 44, +7 840, +7 940||—||Telephone numbers in Abkhazia|
|+61 8 9164||—||Telephone numbers in Christmas Island|
|+61 8 9162||—||Telephone numbers in the Cocos (Keeling) Islands|
|+374 47, +374 97||—||Telephone numbers in Nagorno-Karabakh|
|+995||—||Telephone numbers in South Ossetia|
E.164 is an international standard, titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks.
The North American Numbering Plan (NANP) is a telephone numbering plan for World Zone 1, which comprises twenty-five distinct regions in twenty countries primarily in North America, including the Caribbean. Some North American countries, most notably Mexico, do not participate in the NANP.
A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls instead of incurring charges to the originating telephone subscriber. For the calling party, a call to a toll-free number from a landline is free of charge.
Subscriber trunk dialling is a telephone system allowing subscribers to dial trunk calls without operator assistance. The term was introduced when it first became possible for long-distance calls to be dialled directly, and is now rarely used as calls to any destination can be dialled. This article is about the STD system in the UK.
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 administrative regions of the public switched telephone network (PSTN) and they are also present in private telephone networks. For public number systems, geographic location plays a role in the sequence of numbers assigned to each telephone subscriber.
E.123 is an international standard by the standardization sector of the International Telecommunications Union (ITU-T), entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. It provides guidelines for the presentation of telephone numbers, email addresses, and web addresses in print, on letterheads, and similar purposes.
International direct dialing (IDD) or international subscriber dialling (ISD) is placing an international telephone call that is dialed directly by a telephone subscriber, rather than by a telephone operator. The term international subscriber dialling was used in the United Kingdom and Australia until the terminology was changed to international direct dialling. Since the late 20th century, most international calls are dialed directly.
A trunk prefix is a digit sequence to be dialed before a telephone number to initiate a telephone call for the purpose of selecting an appropriate telecommunications circuit by which the call is to be routed.
Regulation of the telephone numbers in Serbia is under the responsibility of the Regulatory Agency of Electronic Communication and Mail Services (RATEL), independent from the government. The country calling code of Serbia is +381. The country has an open telephone numbering plan, with most numbers consisting of a 2- or 3-digit calling code and a 6-7 digits of customer number.
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, it is the first three digits of a seven-digit phone number, 3-3-4 scheme. In other countries both the prefix and the number may have different lengths. It shows which exchange the remaining numbers refer to. A full telephone number is usually made up of +251, area code, prefix, and subscriber number.
All countries in the Americas use codes that start with "5" except for: Canada, the United States and some Caribbean countries under the North American Numbering Plan use country calling code 1 and Greenland and Aruba with a country calling code starting with the number "2", which mostly is used by countries in Africa.
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.
The following are country calling codes in Africa.
Telephone numbers in Italy are managed by the Autorità per le Garanzie nelle Comunicazioni (AGCOM), a national regulatory authority for the communication industry located in Rome.
Telephone numbers in Taiwan use a system of area codes, beginning 02 to 08. The leading digit(s) following the area code denote the network operator. Mobile numbers begin 09. The international code for calls into Taiwan is 886.
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.
A telephone number is a sequence of digits assigned to a fixed-line telephone subscriber station connected to a telephone line or to a wireless electronic telephony device, such as a radio telephone or a mobile telephone, or to other devices for data transmission via the public switched telephone network (PSTN) or other public and private networks.
North Macedonia's telephone numbering plan is the system used for assigning telephone numbers in North Macedonia. It is regulated by the Agency for Electronic Communications (AEK), which holds responsibility for telecommunications.