The store will not work correctly in the case when cookies are disabled.
Close
This website is using cookies.
We use them to give you the best experience. If you continue using our website, we'll assume that you are happy to receive all cookies on this website. Read more
Stay in contact when you travel with a prepaid 4G international SIM card and reduce your roaming charges by up to 85%.
✔ 4G SIM International card ✔ Super competitive rates for voice and data ✔ Prepaid Service - No contract - Top up online anywhere in the world ✔ Free incoming calls in over 110 of the most popular countries ✔ Coverage in over 190 countries ✔ Add data bundles for even cheaper data rates ✔ SIM works in any unlocked handset and compatible with all SIM sizes ✔ Comes with free UK mobile number ✔ Roam with your existing number using our Virtual Numbers service ✔ Trusted roaming solution with 24/7 Customer Service
Please wait, you are being directed to the shopping cart.
Overview
Benefits of our International SIM Card
4G SIM Card Our new and improved 4G SIM card offers faster data and improved connectivity.
Data Bundles Once you receive your International SIM you will be able to add international data bundles up to 4GB, for over 100 countries, which can save you a fortune on data roaming!
Add Unlimited Numbers to Your SIM Our International SIM card has a UK (+44) phone number. You can add more phone numbers to your WorldSIM with our virtual number service. Choose phone numbers from over 50 different countries.
More Coverage As our SIM is a global SIM card we offer more coverage than the average SIM. With a WorldSIM international SIM card you can stay connected in 200 countries.
This Prepaid International SIM card gives you piece of mind as you avoid high roaming charges leaving you to enjoy your trip.
Top up anytime, anywhere
You can top up your WorldSIM or buy a bundle plan anytime of the day online at worldsim.com or by calling our Customer Services from your WorldSIM for free by dialling 190
Online billing
Manage your account online. You can see exactly how much you’ve spent, view itemised billing and you can access online help.
24 Hour customer service
Our customer service teams are available 24 hours, 7 days a week so you can always get help when you need it. We speak several languages and also have online help for immediate assistance.
Works in all unlocked phones
Our 4G global SIM card is compatible with all unlocked mobile handsets, you can use your WorldSIM global SIM card in any handset that uses normal, micro or nano SIM cards.
Call through technology
Other travel SIM cards operate on call backs, where you make a call, get cut off and then are called back within a minute. With the WorldSIM international SIM card the majority of destinations are called and connected immediately -just like on your normal
One SIM, multiple numbers
Get a UK (+44) mobile number on your SIM card. And other countries number from my account section at nominal price.
Premium quality voice calls
We use Tier 1 carriers for crystal clear calls. WorldSIM do not compromise on voice quality in order to bring you low rates.
You can top up your WorldSIM or buy a bundle plan anytime of the day online at worldsim.com or by calling our Customer Services from your WorldSIM for free by dialling 190
Our customer service teams are available 24 hours, 7 days a week so you can always get help when you need it. We speak several languages and also have online help for immediate assistance.
Our 4G global SIM card is compatible with all unlocked mobile handsets, you can use your WorldSIM global SIM card in any handset that uses normal, micro or nano SIM cards.
Other travel SIM cards operate on call backs, where you make a call, get cut off and then are called back within a minute. With the WorldSIM international SIM card the majority of destinations are called and connected immediately -just like on your normal
We use Tier 1 carriers for crystal clear calls. WorldSIM do not compromise on voice quality in order to bring you low rates.
Roam with your existing number
Add multiple numbers to your WorldSIM global SIM card
You can add multiple phone numbers to your WorldSIM roaming SIM card; our SIM cards already come with a UK number but if you want to add other countries as well there are over 50 countries to choose from. If you live in any of these 50 countries you can use this service to roam on your existing number without roaming charges. There is no limit to how many numbers you can add to your SIM.
Family and friends can call you wherever you are and you can receive their calls for free in over 118 countries. You also benefit from low cost data while you travel.
Business travellers
The WorldSIM International SIM Card is an ideal solution for a no-hassle, low cost and reliable solution for your international communication needs. WorldSIM saves business thousands. See our business travel solutions.
Travel professionals
Perfect for pilots, cabin crew or tourism professionals, this global roaming SIM card ensures you can make and receive calls anywhere, saving you up to 99% on your international roaming charges.
Backpackers
Avoid expensive roaming charges and keep in contact with friends and family back home while you are travelling. Our global SIM card enables people to reach you wherever you travel to as we have more coverage than the average provider.
What people are saying about WorldSIM
Read about what people think about us, our service and our products
4.6/5
★★★★★
Hitesh Patel (5 months ago)
★★★★★
Nancy was direct and concise in her assistance. She asked for the specific information that I required and was able to provide me with all of the responses...read more
Juan Dominguez (4 months ago)
★★★★★
Great customer service, great company, great prices. Highly...read more
ISAAC ADE (2 months ago)
★★★★★
Nancy was exceptional in answering my questions and she provided easy solutions my problem within few minutes. Great customer service...read more
