• INTERNATIONAL

    MOBILE SERVICE

    Save 85% On Roaming Charges

  • LOW-COST DATA SERVICE

    Perfect for iPads, tablets, computers and
    WiFi hotspot devices

  • Each OneSimCard includes 2 numbers:

    Europe & USA

    Add local numbers in 60+
    other countries

  • OneSim VoIP App For
    Apple iOS and Android devices

    Make And Receive Calls Over Wi-Fi
    For As Little As 1c/min!

International SIM Card

International SIM Card

International SIM Card works in most unlocked GSM phones. Just swap your regular SIM card with our interna-tional SIM card before traveling.

International Cell Phones

International Cell Phones

International Cell Phone bundles come with a free international SIM card when you add $10 of airtime and a free travel plug adapter.

International Cell Phone Rental

International Cell Phone Rental

International Cell Phone Rental is ideal if you rarely travel overseas. Rent a cell phone bundle for as little as $19.95 for 1 week.

Corporate Accounts

Corporate Mobile Phone

Corporate Accounts for managing 5 or more employees. Reduce your organization's international roaming expenses by at least 50%.

As Recommended In

PC Magazine OneSimCard Review
New York Times
Washington Post
TIME CNN
Chicago Tribune
Kiplinger's Personal Finance Magazine
Toronto Star
Boston Globe

International Mobile Service In Over 200 Countries - Save 85% On Roaming Charges

Tired of spending money on roaming fees? OneSimCard is an international mobile service for savvy travelers to greatly reduce the cost of using a cell phone or other mobile device while traveling internationally.
Save 85% or more on international roaming charges by using our international SIM card when you travel outside of your home country. Stay connected to friends, family, colleagues and essential travel services without worrying about returning home to a huge phone bill.
With free incoming calls in 162 countries, outgoing calls as low as $0.25/min, mobile data service (3G/GPRS) in 130+ countries from $0.20/MB and free incoming text messages worldwide, OneSimCard is an essential service for both leisure and business travelers.

OneSimCard Video Introduction
OneSimCard International Mobile Service
OneSimCard Review - PC Mag 4 Stars "Excellent"
OneSimCard Introduction

List Of Countries With Free Incoming Calls* - Effective October 1, 2014

* OneSimCard Plus SIM rate. Calls are free when received on your European number; 20c/min on your USA number or other PEN. Incoming texts (SMS) are free in every country when received on European number. SMS received on US or Canada SMS enabled numbers numbers costs 9 cent.

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US Military Discount
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Member Of A Hotel Or Airline Loyalty Program? Earn One Mile Per Minute!

Member Of A Hotel Or Airline Loyalty Program? Earn One Mile Per Minute!

Register for free to earn 1 mile per minute for all incoming and outgoing calls when you're traveling abroad with OneSimCard international cell phone service. Miles will be deposited into any of our over 25 participating loyalty programs of your choice, including Hilton HHonors, Marriott Rewards, American Airlines AAdvantage, Lufthansa Miles & More, Aero Mexico Club Premier, Turkish Airlines Miles & Smiles and many others.

You can also register up to three additional OneSimCard international SIM card numbers to your account on which you can earn Mobile Miles. These may be the international SIM card numbers of your spouse, friends, family or colleagues.

Learn more about and register for Mobile Miles Rewards

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