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!!! Overview[1]
[{$pagename}] ([MNC]) is specified in [ITU-T] [E.212] is a three digit code (North America) or two digit code (Everyone else) that is used in combination with a [Mobile Country Code] ([MCC]) to identify a [Mobile Network Operator] uniquely
[{$pagename}] is used within:
* [Integrated Circuit Card Identifier] ([ICCID])
* [Home Network Identity] ([HNI])
* [International Mobile Subscriber Identity] ([IMSI])
* [Mobile Global Title] ([MGT])
!! North America
North America nominally uses three-digit [{$pagename}]s whereas the rest of the world uses two-digit [{$pagename}]. Due to this uniqueness, and a lack of support in international networks, carriers which are only uniquely identified via a three-digit [{$pagename}] are __NOT__ compatible with international roaming. As a result, in practice, most major [United States] carriers have MNCs ending in 0, so that they are uniquely identified by the first two digits, thereby providing their subscribers with compatibility on international networks.
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [Mobile Country Codes (MCC) and Mobile Network Codes (MNC)|http://www.mcc-mnc.com/|target='_blank'] - based on information obtained 2016-08-15-