T-Mobile coverage map guide

T-Mobile is taking Un-Carrier to our coverage maps. We are the only provider to enhance our coverage maps with verified customer data in order to build trust in our information. The combination of engineering data and actual customer data will provide a more comprehensive and accurate depiction of the expected experience.



How the coverage map works

T-Mobile is changing the game by displaying maps that truly represent the expected network experience based on real customer data. The current industry standard uses estimates to approximate network experience, which only shows carrier's coverage maps as a rosy picture and leaves users skeptical. Because of this, you rely on firsthand information like word of mouth, social media, or your own speed tests to try to figure it out yourself. You want to know if, where, and how your phone is going to work. The new T-Mobile coverage map is designed to show you exactly that, without trying to pull the wool over your eyes.


T-Mobile is layering real customer data on top of its existing coverage map. We'll be able to show you the median download LTE speed tests results where enough data points have been collected in the last 90 days. You'll also now be able see the technology footprint in a given area without having to enter a specific location/address.



Check coverage

  1. From a computer or mobile device, go to our 4G LTE Coverage Map.
  2. On the coverage map, enter an address or just the name of a city, and then select the CHECK COVERAGE button.
  3. If prompted, select your mobile device's Manufacturer and Device and then select SEE MY COVERAGE. Or, you can SKIP this step.
  4. The map will display a popup that gives you the information you're looking for: Signal strength, network coverage, and whether or not the information has been verified by T-Mobile customers.
    • When an area shows as Verified Coverage, a hexagonal icon appears, which means the vast number of connections are successful at the posted speed in that area. Information on connections in a given area is not always available and not all customers will get this posted speed for the area.
    • If the map does not show Verified Coverage, this just means that there is no Verified Coverage in that area based on customer data. The area still has the level of the coverage shown in the map (4GLTE, 4G, 3G etc.).  Currently, we are only collecting data from Android devices from customers who have agreed to share their data with T-Mobile.
    • The map displays 4GLTE/4G/3G/2G map indicators These indicate the speed customers receive with 4GLTE being the fastest and most robust and 2G the slowest.
    • The 4GLTE Device Compatibility icon means your device may not be compatible with our 4GLTE Network. Users should click this icon to see their device options. If the icon does not appear, the customer's device is compatible with our 4GLTE Network.
    • Click any area on the map to see a pop-up that displays more details specific to typical indoor connectivity in most big buildings and homes, and can even suggest indoor coverage solutions for better connectivity.



Getting help with the coverage map

If you need help with the coverage map, or have a question about what you're seeing, click FAQs to get more information. Need help with a network problem? Check out the Network connection issues page.