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How to Activate & Deactivate Call Barring on your MTN line



Customers can use MTN call barring to block all (or some) incoming and outgoing calls on their MTN lines. You can use this guide to learn how to enable or disable call blocking on your MTN line.

People buy MTN SIM cards for a variety of reasons. Some people don’t want to receive calls on their lines for various reasons. On the other hand, some people might be motivated to stop outgoing calls. Whatever your goals, this manual will assist you in achieving them.

Below is a step to cancel or activate call carrying on your MTN sim card

Note: The MTN call-barring password by default is 0000. You can change this default or use it exactly as is.

To change your preferred code from the default MTN call barring password (PIN), dial *03*330*Old or Default PIN*New PIN*Repeat New PIN#.

For instance, dial *03*330*0000*1234*1234# to switch from 0000 to 1245.

In this instance, the sample code is 1234. Choose a four-digit password that you prefer.

You must dial this code from the MTN line you want to car call from

MTN Call barring codes

Outgoing calls:

  • To activate barring for all outgoing calls, dial *33*PIN#
  • To deactivate barring for all outgoing calls, dial #33*PIN#
  • To check outgoing call blocking status, dial *#33#

Incoming calls:

  • To block all incoming calls, dial *35*PIN#
  • To deactivate, dial #35*PIN#
  • To check incoming calls blocking status, dial *#35#.

Outgoing International Calls

  • To bar all outgoing international calls, dial 331PIN#
  • To cancel call barring for all outgoing international calls, dial #331*PIN#
  • To check the status of your outgoing international calls, dial *#331#

Outgoing international calls except to your home country

  • To activate, dial 332PIN#
  • To cancel, dial #332*PIN#
  • To check status, dial *#332#.

Incoming calls when outside your home country

  • To bar incoming calls outside your home country, dial *351*PIN#.
  • To deactivate call barring for incoming calls outside your home country, dial #351*PIN#.
  • To check your incoming call barring status on MTN when you’re outside your home country, dial *#351#.

When you’re away on business and don’t want interruptions, blocking incoming calls from outside your home country can be useful.


The information in this article was curated from online sources. NewsWireNGR or its editorial team cannot independently verify all details.

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