Customer Services - customerservices@zong.com.pk
Customer Care - customercare@zong.com.pk
General Information - info.callcenter@zong.com.pk

Or you can mail it to the following postal address -

HR Department
CMPak Limited,
68 – E, Jinnah Avenue, Blue Area,
Islamabad, Pakistan

Helpline#: Dial 310 from your ZONG connection
UAN: 111-222-111
Fax#: 111-031-031