How To Check Numbers Against Do Not Call (DNC) Registry

The Do Not Call (DNC) Provisions is part of Singapore’s Personal Data Protection Act (PDPA). This guide helps you understand how to check numbers against the DNC Registry before sending specified messages to customers.

Published on 17 Apr 2026

Guide to Do Not Call (DNC) Provisions

Learn more about the Do Not Call (DNC) Provisions and what are specified messages

DNC Registry Portal

Visit the DNC Registry Portal to register your account and start checking numbers

Check numbers now

How can I best manage the 21-day DNC check validity?

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