Mint Mobile is one of the leading MNVO “A mobile virtual network operator (MVNO) is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers.”
Mint SIM was launched in 2016 by Ultra Mobile. In May of 2018 Mint SIM re-branded as Mint Mobile. Ultra Mobile is an MVNO of T-Mobile and thus it runs on T-Mobile’s network and consequently so does Mint Mobile.
Mint Mobile is part of the fastest, most advanced 4G LTE network. Check the map to make sure you're covered and then make the switch!