MNC) 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
North America#North America nominally uses three-digit Mobile Network Codes whereas the rest of the world uses two-digit Mobile Network Code. Due to this uniqueness, and a lack of support in international networks, carriers which are only uniquely identified via a three-digit Mobile Network Code 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:
- Home Network Identity
- International Mobile Subscriber Identity
- Mobile Country Code
- Public Land Mobile Network
- [#1] - Mobile Country Codes (MCC) and Mobile Network Codes (MNC) - based on information obtained 2016-08-15-
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