For use from a Business line

If you’ll like to have SingTel IDD facility activated on your Business telephone or mobile line, you can apply for the service through any of the following methods:


To apply via telephone call:

Call our Business Customers Hotline at 1606.


To apply via mail or fax:

Please complete the application form and mail to:

The Director
Customer Service – General Business Support
SingTel
Orchard Post Office Box 398
Singapore 912314

Or you can fax the completed application form to us at 6737 5151.

Application for the service is free-of-charge and there is no subscription fee for the service.