Tag Archives: How to Block a Number

Telenor Call & SMS Block Service

9 March 2014


Telenor always provides the best services and offers as its customers need. Now, the Telenor is providing a service that will allow the Telenor Customer to block all messages and calls from an unwanted number. You can block multiple numbers too. Now you can get rid of all the persons that disturb you. When you subscribe to Telenor Call and SMS Block Service, you can block any number in the format:

030x-xxxxxx, 033x-xxxxxx, 032x-xxxxxxxx, 034x-xxxxxxx, 021-xxxxxxx, 042-xxxxxxx

When you will block a number, then he/she will not be able to make any call to you or send any SMS message to you.

How to Subscribe to Telenor Block Service:

To activate the Telenor calls and SMS block service, go to write new message option in your mobile phone.

Write “sub” in message and send this SMS to 420.

(You will receive confirmation SMS when service will be activated).

How to Block a Number in Telenor:

Once you subscribed to Telenor Block Service, you can block any number.

Write a new message and Send “B<space><number>” to 420.

(Example: “B 03456789000” to 420).

How to UnBlock a Number:

You can unblock the numbers which you have blocked.

Write a new message and Send “UB<space><number>” to 420.

(Example: “UB 03456789000” to 420).

How to Get Block List:

Write message “BL” and send it to 420.

How to Unsubscribe Telenor Call and SMS Block Service:

If you want to unsubscribe to Telenor number blocking service,

Write “usub” and send it to 420.


Monthly Charges are Rs. 20 + tax.

For every SMS sent to 420 for blocking or unblocking a number, Rs. 2 + tax will be charged.

Please Read:

  • This offer is available on Talkshawk and Djuice as well as Persona.
  • The service is renewed after every 30 days.
  • If you have not enough balance at time of renewal, service will be deactivated.
  • After deactivation, Block list will be kept for 7 days.
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Mobilink Jazz Block Service

23 July 2013


Mobilink Jazz is the most used mobile phone network in Pakistan. Mobilink takes care of all its customers and fulfills their needs. Sometimes, customers receive some calls and SMS from an unwanted number that disturb them. The Mobilink Jazz provides a service for its customers to block all calls and SMS from the unwanted numbers. So, now you can get rid of the numbers that keep on disturbing you.

How to Activate Calls & SMS Block Service:

To activate Mobilink Jazz number block service,

Write “Act ics”  in a new SMS and send it to 420.

Or simply dial 420 and follow the instruction.

Service Charges:

Action Charges
Sending SMS to 420 Rs. 1.0 + Tax / SMS
Calling 420 Rs. 2.0 + Tax / Minute
Activation (Prepaid) Rs. 0.5 + Tax / Day
Activation (Postpaid) Rs. 14.99 + Tax / Month

How to Block a Number:

To add a number in black list,

Send “Add nb <number>” to 420.

How to Unblock a Number:

To remove a number from the black list,

Send “del<number>” to 420.

How to Deactivate Calls & SMS Block Service:

Write “Deact ics”  in message & send it to 420.

Or dial 420 and follow the instruction given to you.

More Information:

  • You can add maximum 20 number in a list.
  • To add number to white list, send “add wb <number>” to 420.
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