Reduce your Pay as you go spend
Whether you are looking for a cheaper pay as you go rates or you are visiting the UK and need a SIM, WorldSIM can save you substantially on your calls, data and SMS costs as our rates are much less than the leading networks. The SIM has no monthly top up requirement; just use the SIM once a year to keep it active.
Cheap international calls
Make cheap international calls when you travel and keep in contact with friends and family overseas from just 1p a minute, our international call rates are very competitive!
3 SIM sizes
We offer standard, micro and nano SIM sizes. You will need an unlocked handset in order for our SIM to work. Our SIM will give you 4G speeds wherever it is available.
Free international roaming
On top of being a UK SIM card and giving you cheap international calls, our pay as you go SIM will give you free international roaming in 95 countries. See our full tariffs.
UK and USA number on one SIM
Your WorldSIM UK Travel SIM card will come with a UK (+44) number as well as a USA (+1) number on the same SIM.
Add multiple numbers to your SIM
If you would like to add more phone numbers to your WorldSIM UK SIM card you can add unlimited numbers from over 50 countries with our Virtual Numbers service.
Online account
In your online account you can view your itemised billing, top up, set automatic top ups and get help online.
24 hour customer service
We are always available to take your call if you need assistance as our customer service department is open 24 hours a day, every day.
Always on
Never be without signal. Our UK SIM card connects to the strongest signal in whatever location you are in, at the time.