OneSimCard International SIM

OneSimCard International SIM

Stay connected around the world with OneSimCard International SIM card. 


Save over 85% on international roaming charges on service available in over 200 countries.

Worldwide coveRage

One of the advantages of OneSimCard is that it has worldwide coverage in many countries that offer more than 1 roaming network per country, increasing the coverage in those countries.

Talk, text & data pLans

Check rates and coverage by country or purchase discount plans to save even more.


Even without the discount plans, you still get low data rates and free incoming calls on an EU number in over 160 countries.


Choose a 3-in1 universal SIM card in mini, micro, and nano sizes, or an eSIM.


Wi-fi calling option

Use the OneSim VoIP app to make calls over Wi-Fi instead of using cellular data.

Personal extra numbers

Each OneSimCard includes 2 phone numbers: Europe & USA, Canada, UK or Australia.


The second number is free for 30 days, with option to extend at a discount.


The eSIM comes with 1 number. 


Additional local numbers in 60+ countries can be added to any SIM card at any time. 

International sim card

24/7 technical support

Use the OneSim iPhone App if you want to access your account on the go, activate your SIM card, and manage your SIM card.


Log in to your free online account anytime to access more features including 24/7 global concierge service, online and by phone, whenever you need assistance. 

One Sim Card App

Head over to to check out the range of SIM cards, cellphones, rental phones, and phone accessories like memory cards, chargers, batteries and more.