As the telecommunication industry regulator, IMDA manages the numbering resources and allocation process. The Numbering Plan provides a set of rules and guidelines for the use of numbers and codes to telecommunication service operators. This helps ensure the adequacy of telecommunication numbers for use in Singapore.

For further information, please contact nnp_admin@imda.gov.sg.

National Numbering Plan and Allocation Process
Frameworks and Policies

National Numbering Plan and Allocation Process

The National Numbering Plan provides a set of rules and guidelines for the use and assignment of numbers to telecommunication services delivered over the Public Switched Telephone Network (PSTN), the Radio Network and the Internet or other Internet Protocol (IP) based networks.

Numbers Online Registration System
Frameworks and Policies

Numbers Online Registration System

Number Online Registration System (NORS) commenced in 2001 to provide online number registration for number with prefix "1800". NORS is enhanced to manage additional numbers/codes request for "0", "1", "3", "6", "8", "9", "800", "1800", "1900", "ISPC" and "NSPC".

Number Auction
Frameworks and Policies

Number Auction

There are no plans to conduct a number auction at the moment.

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Last updated on: 06 Apr 2021