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The first digit also shows if a particular subscriber number is operated by BTC or another operator. The area codes are always cited with the trunk code. When dialing all subscriber numbers must be prefixed with trunk and area code except short codes (see below). Numbers starting with 700, 800 and 90x as well as mobile ones are prefixed by '0 ...
This is mainly important for international mobile roaming. Outside North America, the IMSI is converted to the Mobile Global Title (MGT) format, standard E.214, which is similar to an E.164 number. E.214 provides a method to convert the IMSI into a number that can be used for routing to international SS7 switches.
Mobile number portability ... Canada: 2007.03.14 0 Free MNP procedure takes 10–20 minutes. [14] ... Philippines: 2021.09.30 2 Free
The first use of a national emergency telephone number began in the United Kingdom in 1937 using the number 999, which continues to this day. [6] In the United States, the first 911 service was established by the Alabama Telephone Company and the first call was made in Haleyville, Alabama, in 1968 by Alabama Speaker of the House Rankin Fite and answered by U.S. Representative Tom Bevill.
For mobile phones, since there is number portability, the mobile phone code only indicates the original operator. For example, when a person calls a number starting with 73 ( T-Mobile ) but had been ported to another operator, a short voice message in Czech and English is played stating "you are calling out of a T-Mobile network" before the ...
1.1 Number format. 1.2 National area codes. 2 Mobile numbers. Toggle Mobile numbers subsection. 2.1 Number format. 2.2 Mobile codes. 3 Non-geographic numbers.
The prefixes in the Americas start with one of 1,2,5. All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and the United States, which use country code 1, and Greenland and Aruba with country codes starting with the digit "2", which mostly is used by countries in Africa.
600 - Mobile Customer Service Center (Bravo Telecom) 1100 - Mobile Customer Service Center ; 1789 - Mobile Customer Service Center (Virgin Mobile) 1755 - Mobile Customer Service Center (Lebara Mobile) 900 - Telephone Customer Service Center (They were separated before, 907 for Landline, 902 for Mobile, but since September 2015, they are merged)