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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.
After the PUK code is entered, the PIN must be reset. If the wrong PUK is entered ten times in a row, the SIM card will become permanently blocked and unrecoverable, requiring a replacement. Mobile phone users are therefore advised by most providers to keep their PUK written down in a safe place separate from the device.
A mobile dial code (MDC) is a grouping of 3 to 10 numbers following either a "#" "##" "*" "**" used to create a short, easy to remember phone number. Historically MDCs were used for repair related purposes by landline and wireless carriers. More recently MDCs have been made available for commercial use.
This part of the APN is optional. The MCC is the mobile country code and the MNC is the mobile network code which together uniquely identify a mobile network operator. Examples of APN are: three.co.uk (Note: This example APN uses a three.co.uk from the DNS which belongs to the operator) internet.t-mobile; internet.mnc012.mcc345.gprs; rcomnet ...
From January 2007, it used UMA over 802.11 with phones from Nokia, Motorola and Samsung [16] and was branded as a "Wi-Fi mobile service". BT has since discontinued the service. On August 28, 2006, TeliaSonera was the first to launch an 802.11 based UMA service called "Home Free". [17] The service started in Denmark but is no longer offered.
A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
TETRA networks use the mobile country code from ITU-T Recommendation E.212 together with a 14-bit binary mobile network code (T-MNC) where only values between 0 and 9999 are used. [2] However, a TETRA network may be assigned an E.212 network code as well. [3] Some network operators do not have their own radio access network at all.
Later 3G releases, often denoted 3.5G and 3.75G, also provide mobile broadband access of several Mbit/s to smartphones and mobile modems in laptop computers. This ensures it can be applied to wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV technologies.