All about Call Barring

What is Call Barring?

Call Barring lets you stop certain types of calls being made from your phone. You can also use it to bar all incoming calls.

Call Barring is free of charge for Digital Voice:

All BT Digital Voice features are free of charge (excluding premium voicemail).

Activate your Line Rental Plus call barring now >

How do I get it?

You can easily add or remove Calling Features online >

How do I use Call Barring?

Barring all calls to your phone

Barring *261#

Cancelling #261#

Checking *#261#

Barring all calls from your phone

Barring *34code#

Cancelling #34code*PIN#

Checking *#34#


1 Bar almost all calls including Voicemail – cancelling this option also cancels any other options you’ve barred

2† Bar national and international calls and calls to mobiles

3† Bar international calls

4 Bar all operator calls, e.g. 118 500, BT Text (SMS text messages) and BT Text Direct 18001 & 18002.

5 Bar calls to numbers with a *or # in them (includes some Calling Features, but allows you to cancel this option)

7 Bar calls to Premium Rate numbers.

† For customers on certain exchanges, this option will also bar premium rate services. After selecting this option, if you find that calls to premium rate services are barred and you do not want them to be, please call 0800 800 150. If you have a fibre phone service, this will Bar international calls and calls to mobiles and Premium Rate numbers.

Calls to messaging services using 1571 can be barred under outgoing call barring code 1, this is because calling 1571 may lead to a chargeable call. It is also essential to remember that calls can be made via an operator unless they are barred with code 4. 

Calls that are never barred

  • 999 Emergency services
  • 112 Emergency services
  • 150 BT residential customer services
  • 151 BT residential fault reporting
  • 152 BT business customer services
  • 154 BT Business fault reporting
  • 144 BT chargecard
  • 0800 free numbers
  • 0500 free numbers

You can still accept reverse charge calls when you have barred calls from your phone. You and others in your household can connect to barred calls via the operator unless you have used code 4.

Our Calling Features guide tells you how to use it. Download the PDF here

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