Enjoy up to 30% OFF
your IDD bills



with our greatest IDD promotion yet!

Sign up for ZONE1511 IDD to enjoy up to 30% in savings every month for a year*!



Usage Tier
(Nett $ in a billing cycle)


$200 & above 10%
$300 & above 20%
$500 & above 30%


Why ZONE1511?


  • Save up to 88% on your international call charges
  • Crystal-clear voice quality for all your overseas calls
  • Free registration
  • No contract
  • No subscription charges
  • No Talk No Pay – Your call is free if it's eight seconds or less
  • Pay as you use


Enjoy greater discounts.

Terms & Conditions

  • • The promotion is for new corporate subscribers registering with a valid BRN while stocks last.
  • • The default service plan for corporate subscribers is 1511BIZ plan.
  • • The promotion is not valid for calls made to UK-NTS, Inmarsat and Iridium destinations.
  • • The promotion is valid for the first 12 months billing cycles. Prevailing rates shall apply after the promotion period.
  • • The promotion is not convertible to cash and non-transferable and is not valid with other promotions, discounts, or privileges.
  • • The promotion will be void if the subscribed service plan is changed or account is suspended, terminated or overdue/delinquent during the promotion period. ZONE will revoke all discounts issued and bill subscribers accordingly.
  • • ZONE reserves the right to withdraw the promotion or revise the terms and conditions at any time without prior notice.
  • • ZONE registration guidelines and terms & conditions apply. Visit www.zonetel.com.sg for details.


We are happy to answer any questions.

Just send us a message by clicking the contact us now button.