10GB* | Unlimited Calls & SMS
Three UK


349 Customer Reviews


  • Prepaid SIM Card for 71 Go Roam* countries.
  • Data coverage, call and SMS service in 49 countries in Europe.
  • Plug & Play SIM Card (Standard, Micro and Nano).
  • 10GB* of 3G/ 4G data in Europe (wherever available).
  • Unlimited calls inside Europe.
  • Unlimited SMS inside Europe.
  • 30 days credit validity once activated.


Product Details

  • This Pay As You Go 10GB* SIM Card from THREE U.K. provides a total of 10GB* data in 71 Go Roam countries, unlimited calls and SMS in Europe.
  • *10GB* data is added automatically when SIM Card is activated.
  • Plug and play Prepaid SIM Card.
  • SIM Card formats: Standard SIM, Micro SIM, Nano SIM.
  • English mobile phone number (+44).
  • Works in every unlocked device/ tablet/ pocket wifi.

Calls & SMS

  • Unlimited calls & SMS inside Europe.
  • Unlimited calls & SMS from any Go Roam country in the world to U.K. number.
  • Incoming calls and SMS are free to receive in any Go Roam country.


  • Country coverage in Europe: Austria, Azores, Balearic Islands, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, French Guiana, Germany, Gibraltar, Greece, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Madeira, Malta, Martinique, Mayotte, Norway, Poland, Portugal, Reunion, Romania, Saint Barthelemy, Saint Martin, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, The Netherlands, United Kingdom, Vatican City
  • International Go Roam countries outside Europe: Australia, Brazil, Chile, Colombia, Costa Rica, El Salvador, Guatemala, Hong Kong, Indonesia, Israel, Macao, New Zealand, Nicaragua, Panama, Peru, Puerto Rico, Singapore, Sri Lanka, Uruguay, United States Virgin Islands , USA, Vietnam


  • No registration is needed.

Top-up packages

  • THREE U.K. offers multiple top up packages.
  • Please note that all top up packages for THREE U.K. require a U.K. Credit Card/ voucher code. International credit cards are not accepted..

APN configurations

  • Access Point Name (or APN):
  • User name: none
  • Password: none
  • Please make sure to enable your data roaming settings on your device.


The credit validity of your THREE U.K. PAYG 10GB* SIM Card is 30 days from first point of use (first data used, call made or SMS sent).

Your phone will normally connect to the right mobile network. In case your THREE U.K. SIM Card does not connect automatically please check your APN configurations. Access Point Name (or APN):, User name & password: none

THREE U.K. offers multiple top up options. However, you can only buy top up with a U.K. credit card or voucher.

You can use your THREE U.K. PAYG 10GB* SIM Card with any unlocked smartphone, tablet or Pocket WiFi.

If you have a U.K. credit card or voucher and top up your THREE U.K. PAYG 10GB* SIM Card, the SIM Card becomes void after usage. International credit cards are not allowed.

In order to check your THREE U.K. PAYG 10GB* credit, please register with ‘My3’ App here.

In order to check your phone number, either check the SIM Card packaging or register for ‘My3’ App. Once registered, login the ‘My3’ App and select Top-up, and you’ll be able to see your number (+44).

You can either check your phone number inside the SIM Card package or login to your ‘My3’ App.


High-Speed Internet
in 71 Go Roam Destinations

100% No
Roaming Charges

No complicated contracts
Prepaid SIM Cards

No surprises
No hidden costs