Get our prepaid international SIM card to save 85% on international roaming charges while traveling worldwide. Each international SIM card includes both a European and U.S. number, with the option to add additional numbers in many other countries. If you need an unlocked GSM cell phone, then check out our international cell phone bundles.
If you are traveling only to Europe, we offer a special Europe & More SIM with Direct Dial calling from 45 countries and special low calling rates to the United States and Canada.
If you are specifically looking for better Data rates on your smart phones, iPads and tablets we offer the DataMax SIM which features Internet Data coverage in 170+ countries, outstanding data packages and billing increments as low as 1 kB.
Convert your eSIM-capable phone into a dual SIM phone with eSIM. Enjoy Data, Voice and Text worldwide. Receive extra savings with optional free OneSIM VoIP app.
International SIM Card Rates and Features Highlights
DataMax
DataMax eSIM
Universal SIM
Expedition SIM
eSIM World
Includes USA or Canada Personal Extra Number (PEN) at no charge
We consistently strive to offer our international SIM card customers the best possible experience. This includes providing friendly customer support, fast product shipping, improving our products and services, decreasing the cost of mobile services, and affordable pricing. But don't take our word for it, here are some real, verified reviews that our past customers have left about OneSimCard.com
Very simple service to use with the most options available.Thank You.
Andrew T.03-24-25
I was having issues getting it to work in my IOT device, and they suggested I try starting the SIM in a cellphone first and then put it in the IOT, and it worked.
Frank S.03-16-25
Seems fine. Don't know how well the SIM card will work.
Tomas J.03-03-25
This is the best s service in yhe world. With world class products and customer service.
Frank K.02-21-25
easy to use, clear about card selection, great tech support
Anne L.02-05-25
The website was helpful in answering any of my questions once I received the phone.
Kanti Y.11-22-24
so far so good
Eddie D.11-18-24
Good job
Edward C.10-21-24
If I have to write a comment in addition to a rating I am not satisfied with the process
Richard R.10-20-24
Easy to buy. Customer service pointed me in the right directon
Jerry B.10-10-24
It's very easy to navigate through the site.
Paul S.10-09-24
good
Anthony C.09-23-24
Very supportive
Jorge M.09-23-24
Easy, direct to the point transaction. Only thing to report is that I tried to reach Customer Support prior to purchasing, but it took too long for a response, and I needed to act quickly.
William K.09-23-24
purchase was easy
Janet S.09-10-24
good service
Joe K.09-02-24
Good
Gary B.08-24-24
The vendor sent all materials purchased, in a timely manner. I will now be able to safely and securely toggle between my U.S. Sim card and the international card, provided by onesimcard.com, during the course of my upcoming international travel.
Dolev Z.08-24-24
Very knowledgeable and quick to respond
James W.08-22-24
thank you for walking through the order process
Paul08-15-24
Ordering the sim cards and getting answers to my questions went smooth and easy.
Robert V.08-05-24
Fast and informative
Robert L.08-03-24
The customer service agent answered all my questions and provided reassurance regarding the esim card in particular. We have used physical sim cards from Onesimcard on several trips to Europe without any problems or issues.
Andrea G.08-01-24
no comments, good service and outstanding customer support
LUIS U.07-29-24
Please keep it that way. I am happy as it is. Thanks
Anthony M.07-24-24
Fuh
AJIT B.07-05-24
Good
Kristina H.07-04-24
Sign up was easy
Saif M.07-01-24
Easy to do
Michael B.06-30-24
fairly easy comparison and process - hope usage is the same
YURI S.06-28-24
EVERYTHING WAS GREAT, SO FAR.
Luigi M.06-25-24
it was great as always
William M.06-17-24
awesome
Leslie R.06-12-24
So far, so good
Martin B.06-10-24
Got help
Christopher D.06-09-24
Just getting acquainted with Onesimcard. I'm not tech savvy and Gino has been very helpful and patient with walking me through the process so far.
Sadiq W.06-06-24
Xx
Maria C.06-06-24
Straight forward and very helpful customer support
W S.06-01-24
First day using, so far, so good!
Dennis W.05-31-24
Excellent purchase experience.
Leslie R.05-22-24
Great help getting started from your chat
Max H.05-20-24
Excellent service!
HUSSAIN05-14-24
I just received my cards and I hope will enjoy using it
Edward D.05-12-24
Fast response to my questions quick and easy checkout process
Brad B.05-02-24
chat help was good.
Brenda C.04-24-24
Customer Support replied within minutes
Michael C.04-17-24
My shopping experience was made super easy with your site.
Arup D.04-14-24
Seamless and convenient Sim allocation and activation.
Ashley E.04-08-24
No issues
Ioannis N.04-06-24
Thank you
Chris B.04-01-24
Very simple service to use with the most options available.Thank You.
Andrew T.03-24-25
I was having issues getting it to work in my IOT device, and they suggested I try starting the SIM in a cellphone first and then put it in the IOT, and it worked.
Frank S.03-16-25
Seems fine. Don't know how well the SIM card will work.
Tomas J.03-03-25
This is the best s service in yhe world. With world class products and customer service.
Best Seller
