Just email to them the following:
How to Lodge a Complaint of a DNC Registry Offence
If you have registered your Singapore telephone number on the DNC Registry and continue to receive marketing messages from organisations which you did not give consent to, you can lodge a complaint to the PDPC by providing us with the following information:
Your particulars (name, NRIC, contact number, etc)
The date and approximate time of the call/text/fax you received;
The Singapore telephone number on which you received the call/text/fax;
If available, the name and telephone number of the person that made or sent the call/text/fax;
If available, the name of the organisation on whose behalf the call/text/fax was made or sent (for example, the caller/sender may be employed by one company but made the call/text/fax on behalf of another company);
If available, the contact details (such as a website or telephone or fax number) of the organisation involved;
Contents of the call/text/fax (where applicable, to attach a copy of the message received);
Whether you have any ongoing relationship (e.g. membership, subscription) with the organisation; and
Whether you recall having withdrawn consent from that organisation to contact you.
You can send the above information to the PDPC through any of the following channels:
Email:
info@pdpc.gov.sg, with the subject title as [Enforcement]
Post:
Personal Data Protection Commission
460 Alexandra Road
#10-02
PSA Building
Singapore 119963
Attn: Officer-in-charge, Enforcement
Fax: 6274 7370
Our officers may get in touch with you if further information or clarifications are required.
Please call our hotline at 6377 3131 (office hours) for further information.
Lodge a Complaint of a Do Not Call Registry Offence
seems like no spam sms
