CUI SIM
Fast roaming worldwide
Buy a card, top up a package, and use it in the country of your choice
120+countries
350+operators
24/7online
Top up SIM card
Enter the ICCID or SN number to proceed to package selection.
CUI SIM
The CUI SIM card allows you to use mobile internet abroad. Check packages, countries, and prices, and choose an offer tailored to your trip.
Popular destinations
Check internet packages and services available in the most frequently chosen countries.
How it Works?
Top up a phone number in simple steps
Enter phone number
Select the destination country from the list of countries. Then enter the phone number you want to top up online.
Select top-up amount
Review the available top-up amounts online and select the amount you want to top up.
Make payment
After confirming the payment, your top-up order will be processed immediately.
Card valid in over 120 countries
Agreements with over 350 operators worldwide.
We use cookies to enable you to use our website.
If you have any questions, we are here to help! Our team is ready to provide you with answers to all your questions and concerns. You don't have to wait long for our assistance as we will call you back in just 20 seconds! It's a quick and easy way to get answers to your questions. What's more, our service is free, so you don't have to worry about any additional costs. Contact us now and get immediate help!