Before Zong's this type of service code was *100# but now they have updated with a lot more features and new dialing code is *150#
you can activate and check many Zong services and offers free from *150# but not all services are free.
Zong's *150#
Dial *150# from your Zong and get the following services
SMS package registrations, Account informations, Info services, Updates and new offers informations etc and much more.
