Works in over 100 countries with special multi-country plans

Rechargeable SIM. Works on multiple operator networks in each country.

  • data plans are valid for 30 days from activation
  • SIM expires after 1 year without recharge
  • hotspot use permitted

We don't offer any plans for this operator in United States.

SIM validity

  • works in over 100 countries throughout the world
  • expires after 1 year without use or recharge
  • your phone must be SIM unlocked

Requires 2100 MHz for use in JAPAN

  • If you don’t know if your phone supports this frequency then simply dial *#06# on your phone and the IMEI will be displayed on the screen. You can then go to and enter your IMEI to confirm supported frequencies, or if you prefer just ask us for help.

Our ONESIM plans provide

  • packages of data at 3G speeds (4G in some European countries)
  • data plans are valid for 30 days from activation
  • free incoming calls and SMS
  • option to add credit for outgoing calls and texts
  • an Estonia based +372 number
  • option to add a local forwarding number for an additional fee (contact customer support for more information)
  • credits for voice and text are valid for 6 months from last use or recharge
  • all plans can be recharged and additional credits can be added at anytime
  • the use of data in countries not included in the plan, or after the data packet is consumed, is charged per MB by debiting the available balance for local and international calls and the rate varies by country

Travel Mobile provides

  • Delivery of your SIM(s) to your address of choice by registered or express mail
  • Instructions for use and support throughout the process in your native language
  • Helpful tips and hints delivered by email on your activation date

Questions? Contact us though online chat or

How can I check my balance?

  • Dial 099
  • To check the balance of a data bundle, dial * 146 * 942 #

Getting started

  • Your Global phone number and PIN are printed on the SIM card.
  • Calling and texting is automatically activated once you pick up a network for the first time.

How do I make an international call?

Your SIM has a EU phone number that lets you roam in over 100 countries.

To make a call:

  • Dial 00-CountryCode-AreaCode-Number and press the TALK/SEND button.
  • Example: To call OneSimCard Support in the USA you would dial 00-1-617-313-8888 and press TALK/SEND.
  • After pressing the TALK/SEND button you will see a variable message on the screen (for example 'Wait for call') which you can ignore and your phone will ring back in a few seconds.
  • Answer this ring as you normally would answer any incoming call.
  • Your call will then be connected.

How can others call me?

  • Your family and friends can call you at anytime by dialing your international number
  • Be sure to use the correct prefix when dialing the international number
  • From a cell phone they should dial + 372
  • Example: + 372 XXXXXXXX

How can I configure my phone for Internet access?

iPad or iPhone

  • Select Settings > Cellular
  • Turn on Cellular Data
  • Turn off EU Internet
  • Select Settings > Cellular Data Options
  • Turn on Data Roaming
  • Select APN Settings and in the APN field insert
  • Leave all other fields blank
  • Press Menu
  • Start your browser and access the internet


  • Select Settings > Wireless and Network > Mobile Networks > Access Point Names
  • Press Menu
  • Select New APN
  • Enter the Name as OneSIM and the APN as
  • Leave the username/password fields blank
  • Press Menu
  • Select Save
  • Ensure OneSIM is selected as the Preferred APN
  • Start your browser and access the internet


ONESIM has excellent coverage in over 100 countries. Typically, coverage is available on multiple operator networks within each country.

ONESIM has excellent coverage in over 100 countries

  • Coverage is available on multiple operator networks within each country.
  • Data bundles are restricted to the countries listed in the plan below.
  • Data usage in countries not included in the plan is charged at a per MB rate that varies by country.
  • Below we have listed coverage by PLAN.

European Union and United States

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Israel, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Russia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom, United States

Europe and more

Argentina, Armenia, Australia, Austria, Azerbaijan, Belgium, Brazil, Bulgaria, Canada, Chile, China, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, Dominican Republic, Estonia, Faroe Islands, Finland, France, Georgia, Germany, Greece, Greenland, Guatemala, Honduras, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Latvia, Lithuania, Luxembourg, Kazakhstan, Kuwait, Malaysia, Malta, Mexico, Montenegro, Netherlands, Nicaragua, Norway, Panama, Paraguay, Peru, Poland, Portugal, Puerto Rico, Romania, Russia, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Thailand, Turkey, United Kingdom, United States, Uruguay, Vietnam


Albania, Andorra, Anguilla, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, Barbados, Belarus, Belgium, Bermuda, Brazil, British Virgin Islands, Bulgaria, Canada, Cayman Islands, Chile, China, Colombia, Congo DR, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Estonia, Faeroe Islands, Finland, France, Gambia, Georgia, Germany, Gibraltar, Greece, Greenland, Grenada, Guatemala, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Jamaica, Japan, Kazakhstan, Kuwait, Latvia, Lithuania, Luxembourg, Macau, Macedonia, Malaysia, Malta, Mauritius, Mexico, Moldova, Montenegro, Nepal, Netherlands, Netherlands Antilles, New Zealand, Nicaragua, Nigeria, Norway, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Puerto Rico, Qatar, Romania, Russia, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, St. Kitts, St. Lucia, St. Vincent / Grenada, Suriname, Sweden, Switzerland, Taiwan, Tajikistan, Thailand, Turkey, Turk & Caicos, Ukraine, United Arab Emirates, United Kingdom, United States, Uruguay, Vatican City, Vietnam