30% OFF IDD Bills

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

No subscription charges

Crystal-clear voice quality for all your overseas calls

Free registration

No contract

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.