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Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
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 ...
The same prefix of the number zero + the area code is required to dial any fixed-line number in India from a mobile phone, irrespective of the area code. For example, to dial a landline number in Indore, one would have to dial from a landline in Indore: the phone number; from a landline in Mumbai: 0731 and then the phone number
For numbers in the Île-de-France surrounding Paris, the old codes 3x and 6x joined the old seven-digit numbers to become eight-digit numbers and were assigned to the Paris area code 1, with the trunk prefix 16 required for calls from the rest of France, followed by the area code 1 for Paris and the eight-digit number. [10]
Local telephone area codes in France allowed, until 2022, the identification of a traditional landline subscriber's geographic area, with the exception of non-geographic phone numbers beginning with the prefix 09 - such as VoIP numbers provided with triple play subscriptions. Since 1 January 2023, geographic location is no longer required to ...
Mahanagar Telephone Nigam Limited (abbreviated as MTNL) (transl. Metropolitan Telephone Corporation Limited) is a wholly owned subsidiary of Bharat Sanchar Nigam Limited. [6] Headquartered in New Delhi, India. MTNL Provides services in the metro cities of Mumbai and New Delhi in India and in the island nation of Mauritius in Africa. It had a ...
The dialing rules may include variable-length dialing for area code, trunk access and international access prefixes, central office/service access numbers, and calling cards tone numbers. [ 2 ] [ 3 ] With this approach, phone numbers stored in the phone book remain unchanged when the user moves to a different geographical location or selects a ...
Telephone / Telecom Advisory Committees [1] (TAC) is a high level Indian government body made up of members of parliament and other members nominated by the Ministry of Communications and Information Technology to address issues concerning telecommunication in India.