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Service codes (USSD)


With the service codes (USSD) you can manage several functions of your mobile phone.


USSD code
Function

*147#

Balance check


*143*1234567812345678# 

Recharge credit with a refill card


*109*07xxxxxxxx#

Check if number belongs to TalkTalk Mobile or third party network


*148#

Activate acoustic signal:
Beep sound when you select a mobile number of another mobile provider


#148#

Deactivate acoustic signal:
Beep sound when you select a mobile number of another mobile provider


*145#

Activate Talkbox


*145#

Deactivate Talkbox


*135# 

SMS information when abroad with the Roaming tariffs – turn on/off


*125#

Mobile phone configuration


*122#

Show your own mobile phone number


Service codes as PDF.


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