Customer Services : Dial +33 177937322 or 322
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How to Use

Using GT Mobile is simple Just click below to learn more

  1. Get started
  2. Top-up your balance
  3. Check your balance
  4. Access your voicemail
  5. Choose your own language
  6. View your GT Mobile number
  7. Roaming - Use your GT Mobile abroad

You can get started with GT Mobile by following these easy steps:

  1. Insert your GT Mobile SIM Card into your mobile and switch it on.
  2. Activate your SIM online at or call 323 and you will receive your phone number via SMS on registration. You will need to communicate the number on the reverse of your pack and your personal details.
  3. You are now ready to make and receive calls.
  4. Do not forget to send us the form enclosed in your pack with a copy of your ID.

Help : If your mobile phone is locked it may show one of the following messages when inserting your GT Mobile SIM: 'Invalid SIM' or 'Insert SIM'. Unlocking your mobile phone is easy – simply call our Customer Services team on 322 for advice.

Click here to find out our charges when you are calling us.

You can buy GT Mobile top-up vouchers online at or from your local retailer. GT Mobile is available at over 68,000 stores across France. The voucher will show a PIN either printed on it or underneath a scratch panel.

  • Enter *131*PIN#, press send, or
  • Dial 321 from your GT Mobile and follow the instructions

Topping-up online is the most convenient way to top-up your GT Mobile.

  • Register your GT Mobile SIM online at
  • Top-up your mobile instantly online using a debit or credit card

To top-up your balance while you are abroad:

  • Dial +33 177937322 and follow the instructions

To check your balance using your GT Mobile in France, either:

  • Enter *131# , press send, and your balance will shown on your mobile phone screen or
  • Dial 321 and listen to your balance

To check your balance while you are abroad:

  • Dial +33 177937322

Your GT Mobile voicemail service has been automatically activated.

Using your GT Mobile voicemail you can:

  • Listen to messages left for you
  • Record a personalised welcome message
  • Select your preferred language
  • Set your voicemail access code to access your voicemail from other phones

To access your voicemail from your GT Mobile in France

  • Dial 121

To access your voicemail from another phone or abroad

  • Simply use your GT Mobile to call the voicemail menu and follow the instructions to setup a voicemail access code.

To access your voicemail from another phone or abroad

  • Dial +33 177937322 and follow the instructions

You can select the language to be used for your GT Mobile voicemail and top-up service. To select your preferred language simply:

  • Dial 321
  • Select the 'Settings' menu
  • Select the 'Change Language' option
  • Select your preferred language

You can view your GT Mobile number on your screen

  • Enter *132#

You can use your GT Mobile to make and receive calls and SMS in a large number of other countries. For information on countries where you can make and receive calls and SMS and current charges please visit