Armenia, Austria, Belgium, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Italy, Kazakhstan, Latvia, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal, Romania, Russia, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom, USA and Vatican City

OneSimCard can help you save a lot of money on international roaming abroad over large domestic carriers. Check out these rate tables to compare international roaming offerings from AT&T, Verizon, Sprint and T-Mobile.

OneSimCard Connect is a free app for Apple iOS devices that lets people call and text your OneSimCard-enabled phone at ZERO cost to them. Please note that your OneSimCard balance will be charged to receive these calls at the standard incoming call rate for the country you are in, plus an additional 20c/min. Receiving text messages sent from the app is absolutely free.

Example 1: you are in China where incoming calls are free and someone calls you using OneSimCard Connect. It will be free for the caller and you will be charged 20c/min

Example 2: you are in Brazil where incoming calls are 35c/min and someone calls you using OneSimCard Connect. It will be free for the caller and you will be charged 55c/min

PLEASE NOTE: You must enable this feature from your online account's My SIM Cards menu in order for people to be able to use the app to contact you.

Requires Apple iOS 4.3 or later

Download for free from the iTunes App Store

Through a unique partnership with Viber, your primary OneSimCard number (+372) can be called free of charge for any Viber user! (requires activation and special dialing instructions, see below)

HOW: When this feature is activated, Viber users can call OneSimCard numbers for free by using a special dialing format +372800XXXXXXXX, where XXXXXXXX is the rest of the OneSimCard phone number after 372. For example, a OneSimCard user with the phone number +37212345678 should be called by dialing +37280012345678.

TO ACTIVATE: Log in to your OneSimCard account and go to the My SIM Cards menu. Scroll down to where it says "Incoming Viber Calls" and click Enable to activate this option.

COST: The call is free for the Viber user. The cost of receiving the Viber call is the same as receiving a call through a Personal Extra Number (PEN), i.e. the regular incoming call rate in the country you are in plus 20c/min. In countries with free incoming calls, like Italy or Japan, the cost will be just 20c/min.

PLEASE NOTE:

• When dialing in Viber, if Viber user chooses the Estonian country code in the menu then they should just dial 800XXXXXXXX because the +372 is added automatically.
• If the “free calls to OneSimCard from Viber” option is not activated for a particular OneSimCard number, when a Viber user dials +372800XXXXXXXX they will hear an automatic message: “The mobile phone is either switched off or out of coverage area.”

It depends on the country you're in when making the call. In many countries there is a special low rate of just $0.25/min to call another OneSimCard phone (only when dialing the other OneSimCard user's primary mobile number, not a Personal Extra Number). In other countries your cost will be our standard low outgoing call rate from that country.

Example 1: two OneSimCard users are in Italy and one calls the other, the cost will be $0.25/min for the caller and free for the receiver.


Visit our Rates & Coverage page and choose any country to view its current rates. Use the dropdown menus to see rates for calling to/from other countries.

PLEASE NOTE: If you activate a discount call plan, the special rate to make OneSimCard-to-OneSimCard calls will not be available. You will be charged for those calls according to the discount call plan rate.

All OneSimCard international SIM cards work in Australia, Japan, South Korea, Taiwan, Myanmar, Singapore and other couuntries where 2G networks no longer available. These countries use 3G/WCDMA networks, so only phones with the specific 3G/WCDMA/HSDPA/UMTS 2100 frequency will work in these countries. Most modern smart phones have this option today including all iPhones. You should check your phone specification to make sure your phone has this 3G band,

OneSimCard offers cell phones with the necessary 3G band for Japan and South Korea that also work in every other country where we provide service:

• View all of our international cell phones.

Your OneSimCard global SIM card and European phone number will never expire as long as you make at least one call every 18 months. If you fail to make or receive at least one call every 18 months, your OneSimCard global SIM card and European phone number will expire and you will not be entitled to a refund even if at the time of expiration your account had a positive balance.

However, the funds on the SIM card will expire 10 months from your last recharge and will not be refunded to you. The minimum recharge amount is $25. By simply recharging at least once every 10 months your balance will roll over. If your balance does expire, it will not be refunded to you but all you need to do to get the service working again is to log in and add funds to your SIM card. If you set up the automatic recharge, it will be canceled if you allow the funds to expire, so you will need to set automatic recharge up again once you recharge your balance.