Be aware of scammers impersonating as IMDA officers and report any suspicious calls to the police. Please note that IMDA officers will never call you nor request for your personal information. For scam-related advice, please call the Anti-Scam helpline at 1800-722-6688 or go to www.scamalert.sg.

National Numbering Plan and Allocation Process

National Numbering Plan & Allocation Process

IMDA regulations play an essential role in managing Singapore's National Numbering Plan to ensure that the number allocation process is fair and transparent 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 (384.66KB)

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LAST UPDATED: 23 MAY 2024