Here Is a Tip to check Your Telenor Sim Number Free When You are out of balance and don't remember Your Sim number. Follow the method blow to Know Your Zong Number.
Method 1:-
2:- Your Will Shown On Your Phone's Screen.
Method 2:-
1:- Send A Empty Message to *7421#
2:- Your Will Receive Your Sim Number In 2-3 Minutes.
Method 3:-
1:- Dial *345*8#
2:- Select Option 1 (Send A Call Me Request)
3:- Give Your Another Active Number and Hit OK.
Note:-
Make Sure that the phone number your entered here is available to you at this time because you will receive a confirmation SMS on it, which shows your required Phone Number.
If You have done something wrong or any error occur in this procedure You can Try it again anytime.