Telkom call back ussd

To use the Telkom call back USSD service, follow these steps:

1. Dial *140# on your mobile phone.
2. Select the option for call back.
3. Enter the phone number you want Telkom to call back.
4. Press send or OK to request the call back.

Telkom will then call the specified phone number and connect you when they answer. This service can be useful when you have run out of airtime or have a weak signal and can't make a call.