Who is STi?
STi is International Long Distance and Top Up Service Without Equal
A Little About Our Past
We are STi, the company that helps our consumers stay connected and progressing together. Over the last 21 years the STi name and logo have developed as one of the most well-known and trusted brand for connecting families and providing top-quality international long distance service at great rates. The STi phone cards are known for their worldwide range, their high quality, excellent customer service, and more than anything else, their great value. STi products are designed with one thing in mind: connecting people with their loved ones. We cover every corner of the world, including Mexico, the rest of Latin America, the Middle East, Africa, Europe and the Pacific Rim. STi offers great prepaid calling cards, pinless connections, as well as domestic and international top-up services.