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  2. Mobile country code - Wikipedia

    en.wikipedia.org/wiki/Mobile_country_code

    Overview. The mobile country code consists of three decimal digits and the mobile network code consists of two or three decimal digits (for example: MNC of 001 is not the same as MNC of 01). The first digit of the mobile country code identifies the geographic region as follows (the digits 1 and 8 are not used): An MCC is used in combination ...

  3. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    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. Guam and the Northern Mariana Islands are included in this region as parts of the United States.

  4. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    A cellular network or mobile network is a telecommunications network where the link to and from end nodes is wireless and the network is distributed over land areas called cells, each served by at least one fixed-location transceiver (typically three cell sites or base transceiver stations ). These base stations provide the cell with the ...

  5. Cell Global Identity - Wikipedia

    en.wikipedia.org/wiki/Cell_Global_Identity

    Cell Global Identity ( CGI) is a globally unique identifier for a Base Transceiver Station in mobile phone networks. [ 1] It consists of four parts: Mobile Country Code (MCC), Mobile Network Code (MNC), Location Area Code (LAC) and Cell Identification (CI). It is an integral part of 3GPP specifications for mobile networks, for example, for ...

  6. International mobile subscriber identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    Website. www .itu .int /rec /T-REC-E .212. The international mobile subscriber identity ( IMSI; / ˈɪmziː /) is a number that uniquely identifies every user of a cellular network. [ 1] It is stored as a 64-bit field and is sent by the mobile device to the network. It is also used for acquiring other details of the mobile in the home location ...

  7. Public land mobile network - Wikipedia

    en.wikipedia.org/wiki/Public_land_mobile_network

    In telecommunication, a public land mobile network (PLMN) is a combination of wireless communication services offered by a specific operator in a specific country. [1] [2] A PLMN typically consists of several cellular technologies like GSM/2G, UMTS/3G, LTE/4G, NR/5G, offered by a single operator within a given country, often referred to as a cellular network.

  8. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    Mobile network operators connect mobile phone calls and communicate with their market SIM cards using their IMSIs. The format is: The first three digits represent the Mobile country code (MCC). The next two or three digits represent the Mobile network code (MNC). Three-digit MNC codes are allowed by E.212 but are mainly used in the United ...

  9. Cellular frequencies - Wikipedia

    en.wikipedia.org/wiki/Cellular_frequencies

    Cellular frequencies. Cellular frequencies are the sets of frequency ranges within the ultra high frequency band that have been assigned for cellular-compatible mobile devices, such as mobile phones, to connect to cellular networks. [ 1] Most mobile networks worldwide use portions of the radio frequency spectrum, allocated to the mobile service ...