Best Coverage Across the USA
Our U.S. eSIMs offer coverage across all 50 states – perfect for your journey anywhere, from New York to Hawaii. Reliable 4G/5G is possible through our partnerships with leading U.S. carriers: AT&T, Verizon, T-Mobile, and US Cellular. You’ll stay connected even in rural areas and remote tourist spots like the South Rim of the Grand Canyon, Mammoth Hot Springs in Yellowstone, or the island of Maui.



Map of mobile coverage in the USA (source)
AT&T

Especially strong signal in densely populated areas, with a focus on North Texas and Michigan. It also provides good coverage along highways through many national parks. 5G coverage spans about 29% of the U.S. territory. Average 5G speeds reach around 155 Mbps, with some areas exceeding 200 Mbps. Average 3G/4G speeds hover around 61 Mbps.
more AT&T speed tests in the USA (source)
T-Mobile

The strongest signal is in major metropolitan areas, from Chicago to Los Angeles, while coverage has been rapidly expanding into rural regions, especially in Central and South Texas. The average 5G speed ranges from approximately 150 to 220 Mbps. This network also boasts a record-high average 3G and 4G download speed of 177.5 Mbps.
more T-Mobile speed tests in the USA (source)
Verizon

This network offers some of the most reliable coverage in rural areas, desert regions, and suburbs – particularly in states like Wyoming, Montana, and Pennsylvania. It also performs well in nature reserves and along major highway routes. Average 5G speeds range from 136 to 152 Mbps, with 3G and 4G averaging around 60.7 Mbps.
more Verizon speed tests in the USA (source)
Affordable Internet in the USA
Looking to cut roaming costs? Our eSIM plans offer unbeatable value, with data rates starting as low as $1.46 per GB on larger packages.
Perfect for Exploring All 50 States
The TooSIM USA eSIM is ideal if you're looking for maximum mobility – whether you're exploring major cities or venturing into remote natural spots. You'll enjoy consistent coverage throughout the entire country.