This day long Zong package is called Zong Sixer Plus Package. This is valid between 6 AM to 6 PM only and offers unlimited on-net calls and 500 SMS per day. So message numerous friends and talk to your close friends throughout the day. Zong Sixer Plus Package will cost you just Rs. 8 Plus tax per day. To Subscribe dial *666# and start having fun. This offer is for all zong customers.