Fonus Mobile is an American mobile virtual network operator on AT&T's network.
History
Fonus Mobile was founded by Simon Tian in 2019 and is based in Santa Monica, California. Fonus offers a single monthly prepaid plan, providing users with up to 5G speeds of unlimited data, unlimited calls and texts to over 50 countries worldwide, and free roaming in the United States, Canada and Mexico at $30 per month. The data operates on AT&T's cellular network in the United States, whereas the calls and texts are provided through Fonus' proprietary voice over IP (VoIP) application. As of April 2021, Fonus is one of the top 10 best-rated mobile network operators worldwide on Trustpilot.