Three SIM for Europe and other Countries



What you get:

  1. A trio size (nano/micro/std) SIM which will fit all phones. Please make sure your device is GSM unlocked either 3G or 4G compatible.
  2. 30 Days use (for all countries).
  3. A Prepaid bundle of 12GB data (for all countries).
  4. 3000 voice mins and 3000 texts (see below restrictions).


  1. Outgoing calls and text for European Union Countries ONLY.
  2. All other countries can only receive incoming calls and texts.
  3. Use in a phone only.
  4. No tethering, personal hot spots. No video streaming.
  5. 4G signal is available dependent on geographical locations, see Three website for further information.
  6. Please note you cannot use the 3000 mins/ texts to call or text US numbers. In order to do this, you would need to add credit to the account by purchasing a top up voucher. Calls to USA costs 3p per minute.
  7. Top up vouchers are available from third party online resellers, whilst Three UK only offer this, if you hold an UK credit / debit card.

How to activate:

  1. Simply insert SIM into your unlocked phone, make sure you enable roaming in settings.
  2. Wait for the signal, accept Three UK setting messages, then you are all set to go.
  3. Test it in the US before your travel.

Check Balance:
Call 444 from your handset.

Countries where you can use it:

  • Azores
  • Australia
  • Austria
  • Balearic Islands
  • Belgium
  • Brazil
  • Bulgaria
  • Canary Islands
  • Channel Islands
  • Chile
  • Colombia
  • Costa Rica
  • Croatia
  • Cyprus
  • Czech Republic
  • Denmark
  • El Salvador
  • Estonia
  • Finland
  • France
  • French Guiana
  • French West Indies
  • Germany
  • Gibraltar
  • Greece
  • Guadeloupe
  • Guatemala
  • Guernsey
  • Hungary
  • Hong Kong
  • Iceland
  • Indonesia
  • Isle of Man
  • Israel
  • Italy
  • Jersey
  • Latvia
  • Liechtenstein
  • Lithuania
  • Luxembourg
  • Macau
  • Madeira
  • Malta
  • Martinique
  • Netherlands
  • New Zealand
  • Nicaragua
  • Norway
  • Panama
  • Peru
  • Poland
  • Portugal
  • Puerto Rico
  • Republic of Ireland
  • Reunion
  • Romania
  • Saint Barthelemy
  • Saint Martin
  • San Marino
  • Singapore
  • Slovakia
  • Slovenia
  • Spain
  • Sri Lanka
  • Sweden
  • Switzerland
  • Uruguay
  • USA
  • US Virgin Islands
  • Vatican City
  • Vietnam

Three UK customer services:
From your Three phone dial 333, From abroad +44 7782 333 333.

Yes, you get a unique telephone number for each sim card. It’s written inside, so nobody knows until you unpack the package.
You can certainly activate this SIM card in the US, in fact we encourage customers to do this 2 or 3 days before their travel. That way it is all set up ready to go. We are here at all times to offer you assistance.
Unfortunately, this sim does not allowed calls or texts to USA/Italy. It will only calls or texts to the UK.
There is no need to activate or register. This sim comes preloaded with 12GB data, 3000 minutes and 3000 texts ready to use for 30 days. This bundle will start whenever you insert the SIM into an unlocked phone.
Yes, your data can be used in these European countries. Just make sure you are using an unlocked phone and have “data roaming” ON.