National Numbering Plan & Allocation Process

IMDA manages the National Numbering Plan to ensure that the number allocation process is fair and transparent so as to provide a level playing field for competition. The National Numbering Plan provides a set of rules and guidelines for the use and assignment of numbers to telecommunication services delivered over Singapore’s telecommunication networks, including the Public Switched Telephone Network (PSTN), the Radio Network and the Internet or other Internet Protocol (IP) based networks.

National Numbering Plan & Allocation Process (380.20KB)

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Last updated on: 19 Nov 2020