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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.
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 ...
This list contains the mobile country codes and mobile network codes for networks with country codes between 400 and 499, inclusively – a region that covers Asia and the Middle East.
In 2009, Airtel launched its first international mobile network in Sri Lanka. [19] In June 2010, Bharti acquired the African business of Zain Telecom for $10.7 billion, making it the largest ever acquisition by an Indian telecom firm. [20] In 2012, Bharti tied up with Walmart, the US retail giant, to start a number of retail stores across India ...
The HLR will send to the VLR a MAP PRN (Provide Roaming Number) message to obtain the MSRN of the roaming cell phone. Like that the HLR will be able to route the call to the correct MSC. With the IMSI contained in the MAP PRN message, the VLR assigns a temporary number known as the mobile station roaming number (MSRN) to the roaming cell phone.
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean.
This is a list of the world's thirty largest terrestrial mobile phone network operators measured by number of subscriptions. Rank ... (Airtel) List. GSM, GPRS, EDGE ...
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 ...