We, at SIM Mobile Services, supplying international callback service are always striving to provide the highest quality service at the lowest cost, and to provide innovative telecommunications solutions to our customers. Service and flexibility is a very important aspect of our business, and we will continue to work hard on growing a happy group of customers worldwide.

State-of-the-Art-Technology
State-of-the-art network technology, connect to multiple tier-one carriers such as AT&T, Sprint, Teleglobe and Global Crossing assuring SIM Mobile Services fast connections and highest quality. The quality, reliability and competitive pricing of our services are the keys to our customers' satisfaction and savings across the globe.

All Over the Globe
Customers located in over 150 countries and their profile range from embassies, international organizations, corporate executives, and export-import companies to international business travelers. and expatriates of many nations. Presence key markets in Europe, the Middle East, Africa, and Asia allows us to deliver superior quality service with deep discounts over local service providers. Our communication operates under the approval of the U.S. Federal Communications Commission (FCC) with a Section 214 license.