USSD (Unstructured Supplementary Service Data) codes are special codes that can be executed over the mobile network. It is a text-based communication technology that allows users to perform certain actions or retrieve information via their cell phone by entering short codes on the phone keypad.
USSD codes typically begin with an asterisk, (*) followed by a specific combination of digits and characters. These codes are processed in real time and allow users to access various functions and services without the need for a mobile app or data connection.
General USSD codes
Show own mobile number
*122# Call button
Attention: not possible with Apple devices.
Switch on / switch off voicebox
Switch on: *145# Call key
Switch off: #145# Call key
Display your cell phone's IMEI (International Mobile Equipment Identity) number.
*#06#:
Check which number calls are forwarded to when your phone is off or out of range.
*#62#:
Checking which number calls are forwarded to when you don't answer.
*#67#:
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