Designed to fulfill
the quality communication needs of service-oriented organisations.

1511PREMIUM is the ideal service plan for the hospitality industry, universities and any entrepreneurs who wish to assure their customers of flawless international call services. To boost your business profitability, we provide you with the highest IDD call quality as well as online access to call details for real-time billing management, all at the most competitive rates in the premium category of services.

Let’s Get Started!

Registration to use ZONE1511 is free and with no contract to tie you down. What’s more, you pay no subscription fee but pay only as you use. As a ZONE1511 member, you’ll also be able to access a variety of smart business solutions and use ZONE as a one-stop-shop to beef up your own communications network and capabilities.

So, sign up today and start dialing up the savings with your next IDD call.

User Guide

ZONE1511 IDD service is available with all existing fixed, mobile or fax telephone numbers from any operator (Singtel/M1/StarHub). 

Upon registration with ZONE1511, you will be able to call any overseas number directly, by simply adding the prefix "1511".

Eg., to call Kuala Lumpur in Malaysia, simply dial 151160312345678