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Postpaid

Call & SMS Block Service

Now with Jazz’s Call & SMS Block service customers can block unwanted calls and SMS from on-net & off-net numbers.

Offer Details
SubscriptionDial *420#
Un-subscription Dial *420#
ChargesRs. 20/ Month
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Total of 50 numbers can be added in the Black List and 50 in the whitelist. Any number added in both the lists will be counted twice.

Available *420# Options:

  • Add number to Blacklist
  • Check number in Blacklist
  • Remove Number
  • Unsubscribe
  • Change Blacklist Tone
  • Call Blacklist History
  • View Blacklist

Help Command:

  • Simply send “Help” to 420 to get all SMS commands to use the service

How can I subscribe to “Call & SMS Block” service via USSD?

To subscribe to “Call & SMS Block” service via USSD, simply dial *420#.

How can I unsubscribe “Call & SMS Block” service via USSD?

To unsubscribe “Call & SMS Block” service via USSD, simply dial *420# and select option 4.

Do I have to renew my subscription every day?

You can choose to unsubscribe by dialing *420#. If you don’t do anything, your subscription will be renewed and RS.0.50 will be charged daily.

What happens if I unsubscribe & then re-subscribe?

The Block list is removed as soon as the service is un-subscribed and you will start receiving calls and SMS from all the numbers. If the service is re-subscribed you need to add numbers to the block list again.

What if I don’t have sufficient balance at the time of subscription renewal?

Subscription renewal is automatically attempted; if the balance is low, attempts are made for charging for 60 days. Service remains subscribed and you will not get calls & SMs from numbers added in block list. Numbers can be added and deleted from the list during the 60 days suspension period.

How can I add a number in the blacklist via USSD?

To add a number in the black list via USSD, simply dial *420# and select option 1.

How many numbers can be added in black list?

50 numbers can be added in black list

If the same MSISDN is added in both lists then will it be counted twice?

Yes.

How can I delete a number via USSD?

To delete a number via USSD, dial *420# and select option 3.

Is it necessary to activate the blacklist for screening incoming calls that are in blacklist?

Yes, it is necessary, else the blacklist will not block those calls. If you are subscribing via USSD menu, blacklist is automatically activated.

  • Unwanted and unethical (unreasonable) messages can be reported by texting SENDER’s NUMBER (SPACE) message to 9000 –PTA
  • In light of recent orders of the Supreme Court of Pakistan, Sales Tax and Advance Income Tax are not being collected from Postpaid Consumers in Pakistan w.e.f. 16th Oct 2018. The tax amount mentioned in the bill (if any) is related to the amounts incurred upto 15th Oct 2018