This SIMcard has an UK mobile number.
Travel around Europe and enjoy this simcard without any additional charge. Check here if the country you are travelling to is included in this Add-on:
Italy, Portugal, Spain, Poland, Greece, France, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Germany, Hungary, Iceland, Latvia, Liechenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Ireland, Romania, United Kingdom, San Marino, Slovakia, Slovenia, Sweden, Switzerland, Vatican City
You can use all your minutes, SMS and data (only 9GB out of 12GB, not in UK, where you can use all of them) in all these countries.
Once you buy this simcard you can insert it in your mobile phone, and it will be usable (neither need of registration nor activation).
Top-up methods:
1. Dial 444 and follow voice indications (you need a voucher or your debit/credit card)
2. Easier, top-up through the website: https://www.three.co.uk/Web_top_up