Dial 420 for Zong Call and SMS Block Service

Dial 420 for Zong Call and SMS Block Service

Zong introduces helpful service for all its valued consumers of Pakistan. This time it has brought Zong Call and SMS Block Service with cheap charges. This is really helpful feature for all those people who are receiving blank and wrong calls in his/her mobile phone number so they just need to activate this offer and easily block number by using it. This feature is not only providing service for blocking local telecommunication numbers of Pakistan. Users can also block any international number by using this offer. This service is available for prepaid and postpaid customers of this network and both can avail with correctly. Mobilink network is also providing Mobilink Call and SMS block service for its customers and now Zong is launching same kind of facility for all its consumers of Pakistan. The details of using and subscription process are given as below.

How to Subscribe Zong Call and SMS Block Service:

  • Customers can easily activate this service by dialing 420 and then press call button.
  • Customers can also subscribe this feature via SMS just need to type message “Sub” and send into 420.
  • Subscribers receive confirmation message from help-center department of activation confirmation.


  • The charges for daily subscription are RS 1 plus tax per call.
  • The charges for monthly subscription are RS 15 plus tax per month.

How to use Zong Call and SMS Block Service:

  • Customers can block any number through SMS just need to write SMS “Block <number>” and send into 420.
  • User can unblock number via SMS service just need to type SMS “Unblock <number>”’ and send into 420.

How to UN-Subscribe Zong Call and SMS Service:

  • Subscribers can DE-activate this feature by dialing 420 and follow the instruction.
  • Subscribers can also DE-activate this service via SMS just need to type message “Unsub” and send into 420.


  • Customers can only block 50 numbers in one SIM connection.
  • Customers can block local and international numbers by using this service.

Further Information:

  • It is Zong value added service.
  • This facility is available for prepaid and postpaid both types subscribers of this network.
  • There are no hidden and extra charges.
  • Customers can unblock any number after blocking through this feature.
  • This network keeps rights for changing charges and features of this service at any time without being informed of its users.
  • This service can auto activate after end of validity, Customers need to be UN-subscribed this service through mentioned process.

Facebook Comments

Warid Call Packages Jazz Call Packages
Warid SMS Packages Jazz SMS Packages
Warid Internet Packages Jazz 3G Packages
Warid Jazz 3G Packages Jazz Internet Packages
Warid 4G Packages Jazz 4G Packages
Telenor Call Packages Ufone Call Packages
Telenor Djuice Call Packages Ufone SMS Packages
Telenor SMS Packages Ufone Internet Packages
Telenor 3G Packages Ufone 3G Packages
Telenor 4G Packages
Telenor Internet Packages
Zong Call Packages
Zong SMS Packages
Zong Internet Packages
Zong 3G Packages
Zong 4G Packages

About the Author: