IDD 001

How can I know the duration of my international call?
Customers will be able to check the duration of their calls and respective call charges from their monthly bill.
Do I need to pay any registration fees or monthly subscription?
How long does it take to activate Singtel IDD 001 service?
If your application is approved, your Singtel IDD facility will be activated one working day after we receive your application form.
How will I be charged if I use Singtel international call services on my StarHub/M1 line?
Singtel will only bill you for usage of Singtel international call services.
How can I be assured that I will be billed accurately for all IDD calls made?
Your monthly bill will list all overseas calls made within the billing cycle. It will include detailed information like date and time, the overseas number called, the duration and cost incurred for each call. If you have questions about your bill, please call 1688.
Who do I call if I have a question or wish to report a fault?

You can call the following toll-free numbers: For Enquiry

  • 1606 (Business customers)
  • 1688 (Residential customers)
  • 1688 (Singtel Mobile customers)
  • 104 (Operator-assisted)

For Fault Reporting

  • 1608 (Telephone Lines - Business and Residential customers)
  • 1688 (Singtel Mobile customers)