Nationally T-Mobile reports 4G LTE or 5G across 47.3% of US area outdoors (3rd of the three), 20.7% in a moving car (3rd), and 5G at 7/1 Mbps across 40.7% (1st). T-Mobile is not the clear outdoor leader in any state once water is allowed for.

T-Mobile nationally

Measure (share of US area)T-MobileRank of the three
4G LTE, outdoors47.3%3rd
4G LTE, in a moving car20.7%3rd
5G, 7/1 Mbps40.7%1st
5G, 35/3 Mbps28.9%1st

Source: FCC National Broadband Map, carrier filings as of December 31, 2025. Share of area where each carrier reports 4G LTE or 5G to a phone outdoors. Carrier-reported, not measured.

T-Mobile coverage in every state

T-Mobile has the most coverage of the three in no state and the least in 46 states, on the raw figures. In a moving car it leads in 1.

StateT-Mobile, outdoorsT-Mobile, in a carRank outdoorsRank in a carT-Mobile leads
Alabama57.6%20.2%3rd3rdNoView →
AlaskaNo FCC rowNo FCC rowNo FCC rowNo FCC rowNoView →
Arizona41.7%18.3%3rd3rdNoView →
Arkansas56.2%20.4%3rd3rdNoView →
California51.4%26.8%3rd3rdNoView →
Colorado50.7%19.3%3rd2ndNoView →
Connecticut78.7%37.4%3rd3rdNoView →
Delaware73.7%43.7%3rd3rdNoView →
District of Columbia99.7%95.3%2nd2ndNoView →
Florida58.1%27.2%3rd3rdNoView →
Georgia62.5%23%3rd3rdNoView →
Hawaii30.7%14.5%3rd3rdNoView →
Idaho40%19.5%3rd2ndNoView →
Illinois83.6%44.9%3rd3rdNoView →
Indiana83.3%41.3%3rd3rdNoView →
Iowa93.1%61.4%2nd1stIn a carView →
Kansas84.9%37.5%3rd3rdNoView →
Kentucky60.8%23.9%3rd3rdNoView →
Louisiana62.4%27%3rd3rdNoView →
Maine31.5%10%3rd3rdNoView →
Maryland71.9%40.1%3rd3rdNoView →
Massachusetts66.2%35.3%3rd3rdNoView →
Michigan36.3%13.6%3rd3rdNoView →
Minnesota69.5%26.5%3rd3rdNoView →
Mississippi64.5%22%3rd2ndNoView →
Missouri68.8%30.4%3rd3rdNoView →
Montana44.3%17.1%2nd2ndNoView →
Nebraska75.1%33.4%2nd2ndNoView →
Nevada30.5%11.3%3rd3rdNoView →
New Hampshire63.6%22.4%3rd3rdNoView →
New Jersey74.3%43.1%3rd3rdNoView →
New Mexico56.8%22%3rd2ndNoView →
New York51.9%20.3%3rd3rdNoView →
North Carolina68%29.7%3rd3rdNoView →
North Dakota81.4%27.7%3rd3rdNoView →
Ohio75.9%39.6%3rd3rdNoView →
Oklahoma83.1%43.5%2nd3rdNoView →
Oregon37.6%16.3%3rd3rdNoView →
Pennsylvania65.5%31.4%3rd3rdNoView →
Rhode Island68.2%38.7%3rd3rdNoView →
South Carolina72.5%30.8%3rd3rdNoView →
South Dakota71.8%26.1%3rd3rdNoView →
Tennessee63.1%26.8%3rd3rdNoView →
Texas72.3%32.6%3rd3rdNoView →
Utah44.6%18%3rd3rdNoView →
Vermont44.1%12.6%3rd3rdNoView →
Virginia59.4%24.5%3rd3rdNoView →
Washington50.7%25.4%3rd3rdNoView →
West Virginia41.9%17.3%3rd3rdNoView →
Wisconsin59.9%25.9%3rd3rdNoView →
Wyoming43.2%15.1%3rd2ndNoView →

Where T-Mobile reaches furthest

The five states where T-Mobile reports the largest share of area: District of Columbia, Iowa, Kansas, Illinois and Indiana.

StateOutdoorsIn a carWater
District of Columbia99.7%95.3%10.6%View →
Iowa93.1%61.4%0.7%View →
Kansas84.9%37.5%0.6%View →
Illinois83.6%44.9%4.1%View →
Indiana83.3%41.3%1.6%View →

Where T-Mobile is thinnest

The five states where T-Mobile reports the smallest share: Nevada, Hawaii, Maine, Michigan and Oregon. T-Mobile has no row at all in the FCC's figures for Alaska, so it is left out of this ranking.

StateOutdoorsIn a carWater
Nevada30.5%11.3%0.6%View →
Hawaii30.7%14.5%41.5%View →
Maine31.5%10%12.8%View →
Michigan36.3%13.6%41.5%View →
Oregon37.6%16.3%2.4%View →

T-Mobile in rural counties

Across the 3,083 counties where all three carriers file, T-Mobile is the clear outdoor leader in 53 and the clear in-car leader in 136. In the 467 counties where coverage runs out (even the best carrier leaves 25%+ of the land uncovered), it leads outdoors in 19, against AT&T 172 and Verizon 241.

Check T-Mobile at your address

SourceWhat it shows
T-Mobile coverage mapT-Mobile's own map, in its own formatVisit →
FCC National Broadband MapWhether T-Mobile filed 4G LTE or 5G at that address, outdoors and in a vehicleVisit →
Best cell carrier for rural areasAll three carriers compared county by countyView →