OneSimCard Customer Service Number

OneSimCard® is a mobile roaming service for international travelers that greatly reduces the cost of using mobile devices when traveling abroad. By simply inserting our international SIM card into any unlocked GSM phone, tablet or other mobile device, OneSimCard saves travelers an average of 85% over domestic wireless carriers'​ international roaming rates. As recommended by The Washington Post, New York Times, PC Mag, Toronto Star, Time/CNN, Boston Globe, Chicago Tribune, and more. Service highlights include: - Free incoming calls in over 160 countries - Outgoing calls from only $0.25 per minute - Free incoming SMS text messages everywhere - Mobile Internet data service in over 170 countries, data in Europe (EU) for as low as $0.01 per MB - Corporate Account management system for businesses of all sizes to manage any number of traveling employees - SIM comes with both a European and U.S. number - Add local or toll free phone numbers in many countries including USA, Canada, UK, Australia, Brazil, France, Hong Kong, Israel, Italy, Japan, Malaysia, Mexico, South Africa and Spain OneSimCard is a division of Belmont Telecom, Inc., a licensed U.S. interexchange carrier (IXC) providing telecommunications services since 1994.