UK SIM Card
This prepaid UK SIM card gives you cheap UK calls and international calls from 1p, and you can reduce roaming costs by up to 85%. It's packed with unrivalled benefits and features you'll not find anywhere else! Get your WorldSIM UK SIM card now!
Cheap UK Calls:
Our UK SIM card gives you UK calls from 1p per min when you buy a bundle plan
Cheap International Calls:
Make international calls from 1p per min when you buy a bundle plan
Always Connected:
Pick up the strongest network signal wherever you are. Our UK SIM card automatically switches to the operator with the best signal
Go Global:
Roam in over 200 countries and save up 95% on your roaming charges with our UK Sim Card
Free Roaming:
Unlimited free incoming calls when you travel in over 118 countries.
Multiple Numbers:
Our UK SIM card comes with a free UK mobile number (+44) and you can add any other country number using our Virtual Number Service
One Size Fits All:
The UK SIM card is multi-sized and will work in any SIM-free or unlocked mobile phone.
Pay as you go:
Choose bundles or pay as you go. This UK SIM card has no contracts.
Get Your UK SIM Card with Unrivalled Benefits
Get your eSIM FREE and Up to 25% BONUS CREDIT with selected airtime purchases.
Lifetime Validity - 1 top-up is required within the airtime validity period to extend validity for 365 days. .
We offer cheap international calls & roaming
These are our UK national tariffs
-
10p/MIN
-
5p/MB
-
9p/SMS
-
9p/SMS
Checkout our Roaming Tariffs

0.0048
/1MB

FREE
/MIN

0.05
/MIN

0.15
/SMS
Overview

Features
Reduce your spend
Whether you are looking for a cheaper pay as you go UK SIM Card, 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
Cheap international calls
Make cheap international calls from the UK to keep in contact with friends and family overseas from just 1p a minute -our international call rates are very competitive!
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 SIM card will come with a UK (+44) number as well as a USA (+1) number on the same SIM card
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 of the week.
Always on
Never be without a signal. Our UK SIM card connects to the strongest signal in whatever location you are in so you can be more connected.
FAQs



Read our Award Winning Travel Blog
Discover unique destinations, read about the best travel apps and smart money saving tips