- Can I make international calls?

For subscribers who registered before 15/8/18

You are now able to make international calls using the “+” sign <country code><area code><tel. no.> which you will be charged Zero1 001 IDD rates for premium voice quality. For budget calls, you may also use Zero1 v019 IDD without pre-registration. To use v019 service, simply dial 019 <country code><area code><tel. no.>  on your mobile phone. 

If you have previously signed up for ZONE1511 IDD services with Zero1, you can call IDD by dialling 1511 <country code><area code><tel.no.>. The IDD charges will be billed to you by ZONE Telecom Pte Ltd.  You can view our rates here.

For subscribers who registered on or after 15/8/18

You can make international calls using the “+” sign <country code><area code><tel. no.> which you will be charged Zero1 001 IDD rates for premium voice quality. For budget calls, you may also use Zero1 v019 IDD without pre-registration. To use v019 service, simply dial 019 <country code><area code><tel. no.>  on your mobile phone.

We have also tied up with ZONE Telecom Pte Ltd for international calls to help you slash your IDD bills. You may sign up at www.zonetel.com.sg. Registration is free, you only pay when you use the service. Upon successful sign-up, you can call IDD by dialling 1511 <country code><area code><tel. no.>. All IDD charges will be billed to you by ZONE1511.

For Foreigners

Zero1 001 IDD and v019 IDD services are not available. We have also tied up with ZONE Telecom Pte Ltd for international calls to help you slash your IDD bills. You may sign up at www.zonetel.com.sg. Registration is free, you only pay when you use the service. Upon successful sign-up, you can call IDD by dialling 1511 <country code><area code><tel. no.>. All IDD charges will be billed to you by ZONE1511.