Numbering refers to mobile and telephone numbers that identify a mobile and telephone user and importantly act as the address, allowing the user to be able to receive calls and sms.

Primary Role of Numbers:

    Naming and addressing, i.e. routing calls or messages to a particular subscriber or particular termination point within a network;

Secondary Role of Numbers:

    Providing callers with an indication of the likely costs of calling the number

            o   e.g. geographic significant information

            o   e.g. On-net versus off-net calls

            o   Often used by operators to calculate retail billing rates and wholesale (i.e. inter-network) call charges

   • Branding

            o   Particular types of services (e.g. toll free services or information services)

            o   Particular operators or networks

    Providing call trace, malicious call identification and fraud prevention and detection.


 What is Numbering?

 National Numbering Plan and Procedures

 Numbering Allocation

 Short Code and Emergency Numbers

 Applications for Numbers

 National Numbering Plan Records