A mobile dial code (MDC) is a grouping of 3 to 10 numbers following either a "#", "##", "*" or "**" used to create a short, easy-to-remember phone number. Historically, MDCs were used for repair-related purposes by landline and wireless carriers.
A mobile dial code (MDC) is a grouping of 3 to 10 numbers following either a "#", "##", "*" or "**" used to create a short, easy-to-remember phone number. Historically, MDCs were used for repair-related purposes by landline and wireless carriers.
Source: Wikipedia "Mobile dial code" · CC BY-SA 4.0
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