Call over 240 Destinations Fast and Direct With IDD 001

Get in touch with your business contacts with SingTel IDD 001 service - the fastest, most direct means of calling over 240 destinations worldwide, without the help of an operator. This premium service is available on telephone lines and mobile phones with IDD facility, and SingTel payphones.
Making an IDD 001 Call
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Calling Indonesian Border Towns 011
To call Indonesian Border Towns, just dial:
011 (Access code) + Area Code (if any) + Overseas Telephone Number
Country Code / Area Code
View popular destinations
View a complete list of destinations
View Indonesian Border Towns (Access code 011)
Operator-Assisted 104 Service
Operator-assisted international telephone calls are available to most IDD destinations. They can be accessed by dialling 104.
Calls are charged at a minimum duration of 3 minutes and in subsequent blocks of 1 minute at IDD 001 rates.
Calls to Malaysia are charged in blocks of 3 minutes.
Overseas Directory Assistance (ODA) |
You can request overseas telephone numbers through 104. Each enquiry is charged at $4.50 for up to 2 successful listings.
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International Call Assistance Service |
| An International Call Assistance Service is available for event organisers who require ‘hot billing functionality’ for international directory enquiry service via access code 104. There is a charge of $1 per call for the International Call Assistance. |
Outgoing Collect Calls |
If you would like to make an overseas call and request that the receiving party pay the charges, please call our SingTel International Calling Services Operators at 104 and ask for the Collect Call Service. Calls will only be connected when the recipient agrees to pay the charges. |
Incoming Collect Calls |
| An overseas friend or family member may call you from overseas and request that you bear the charges. Simply inform the operator whether you wish to receive or reject the call. The call will only be connected when you agree to accept the call and its charges. Incoming Collect Calls to Singapore are charged at prevailing Standard time period IDD 001 rates for the first 3 minutes and subsequent blocks of 1 minute, (except for Indonesian Border Towns which are billed at Indonesia Standard IDD 001 rates). In addition, the following handling fee is charged:
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SingTel IDD facility can be activated on your Business telephone or mobile line through any of the methods below.
To apply online:
Click here.
To apply via telephone:
Call our Business Customers Hotline at 1606.
To apply via mail or fax:
Please complete the application form and mail it to:
The Director
Customer Service – General Business Support
SingTel
Orchard Post Office Box 398
Singapore 912314
Or fax the completed application form to us at 6477 9372.
Application for the service is free-of-charge and there is no subscription fee for the service.
Frequently Asked Questions
About IDD 001
- What is IDD 001 service?
- How are IDD 001 calls charged?
- How do I use the service to make international calls?
Registration Fees and Other Charges
- Do I need to pay any registration fees or monthly subscription?
- How long does it take to activate SingTel IDD 001 service?
- How will I be charged if I use SingTel international call services on my StarHub/M1 line?
- How can I be assured that I will be billed accurately for my IDD calls?
Others
About IDD 001
- What is IDD 001 service?
IDD 001 is SingTel’s premium grade international direct dial call service.
- How are IDD 001 calls charged?
IDD 001 calls are charged in 6 seconds blocks. View rates to various destinations for more information.
- How do I use the service to make international calls?
Just follow these simple steps:

Registration Fees and Other Charges
- Do I need to pay any registration fees or monthly subscription?
No.
- How long does it take to activate SingTel IDD 001 service?
If your application is approved, your SingTel IDD facility will be activated the 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?
Charging will be according to your usage of SingTel international call services.
- How can I be assured that I will be billed accurately for my IDD calls?
Your monthly bill will list all overseas calls made within the billing cycle. It will include detailed information like date and time of call, the overseas number called, the duration of each call and the cost incurred for each call. If you have questions about your bill, please call 1688.
Others
- Who do I call if I have a question or wish to report a fault?
For enquiry and fault report, you can call the following toll-free numbers :
Enquiries:
1606 (Business customers)
1609 (Residential customers)
1626 (SingTel Mobile customers)
104 (Overseas Directory Assistance)Fault Reporting:
1608 (Business and Residential lines)
1626 (SingTel Mobile)






























