AT&T vs T-Mobile Coverage and 5G: Speed, Range, and Maps Compared (2026)

T-Mobile has the faster and broader 5G network with an average 5G download of 186 Mbps on 2.5 GHz Ultra Capacity. AT&T has more reliable rural 4G LTE coverage at 68% area coverage versus T-Mobile's 62%. Here is the full technology breakdown and what it means for your daily phone use.

5G Speed Comparison Data

Speed data sourced from Ookla Speedtest Intelligence (Q4 2025 and Q1 2026), aggregating millions of real user speed tests across the United States.

5G TypeAT&T SpeedT-Mobile SpeedNotes
Low-band 5G30-75 Mbps30-75 MbpsSimilar performance. Broad coverage but modest speed improvement over 4G LTE.
Mid-band 5G150-500 Mbps (C-band 3.5 GHz)300-1,000 Mbps (2.5 GHz)T-Mobile's 2.5 GHz has better range and building penetration than AT&T's 3.5 GHz.
mmWave 5G1-4 Gbps1-4 GbpsBoth limited to stadiums, airports, and dense urban blocks. Range under 300 meters.
5G average download71 Mbps (Ookla)186 Mbps (Ookla)T-Mobile's larger mid-band footprint drives higher 5G averages across the network.
Overall median (all tech)62 Mbps98 MbpsIncludes 4G LTE fallback. T-Mobile leads because more users connect to fast mid-band 5G.

How 5G Spectrum Works

The radio spectrum a carrier uses determines both the speed and range of its 5G signal. Understanding these three categories explains why T-Mobile's 5G is faster in most locations.

Low-Band (sub-1 GHz)

Speed: 30 to 75 Mbps. A modest improvement over 4G LTE.

Range: Miles. Penetrates buildings well. Widest-reaching 5G signal.

Use case: General coverage extension. Both carriers deploy low-band to maximize the number of people who see a "5G" indicator on their phone.

Mid-Band (1 to 6 GHz)

Speed: 150 to 1,000 Mbps. The "sweet spot" for consumer 5G.

Range: Half a mile to 2 miles. Good building penetration.

Use case: Primary 5G upgrade for most consumers. This is the spectrum where the AT&T vs T-Mobile competition matters most. T-Mobile's 2.5 GHz outperforms AT&T's 3.5 GHz C-band on both range and speed.

mmWave (24+ GHz)

Speed: 1 to 4 Gbps. Extremely fast but extremely limited.

Range: Under 300 meters. Blocked by walls, trees, and rain.

Use case: Stadiums, airports, and dense downtown blocks. Do not choose a carrier based on mmWave availability.

FCC Coverage Data

The FCC Broadband Data Collection provides official coverage measurements. Area coverage (percentage of land area) matters most for rural users. Population coverage matters more for urban and suburban users.

MetricAT&TT-Mobile
4G LTE area coverage68%62%
5G coverage at 35 Mbps tier22%27%
5G population reached315M+300M+ (Ultra Capacity)
Mid-band 5G population200M+ (C-band)300M+ (2.5 GHz)

AT&T 5G Network Details

AT&T 5G Key Stats

  • C-band coverage: 200M+ Americans, targeting 250M by end of 2026. C-band operates at 3.5 GHz, with slightly shorter range than T-Mobile's 2.5 GHz but strong performance where deployed (150-500 Mbps).
  • Low-band 5G: Nearly nationwide, overlapping with AT&T's LTE footprint. Provides 5G branding with LTE-like speeds (30-75 Mbps).
  • mmWave: 40+ stadiums, 25+ airports, and select urban blocks in New York, Los Angeles, Chicago, Dallas, and other metros.
  • FirstNet Band 14: 700 MHz dedicated to public safety, also used for commercial coverage. Adds capacity in areas with FirstNet towers.
  • 5G average download: 71 Mbps nationally (Ookla). Overall median (incl. LTE): 62 Mbps.

AT&T's C-band 5G delivers strong performance where deployed, but covers roughly 100 million fewer people than T-Mobile's mid-band. More AT&T customers fall back to low-band 5G or LTE in daily use, which pulls down overall average speeds.

T-Mobile 5G Network Details

T-Mobile 5G Key Stats

  • Ultra Capacity (2.5 GHz): 300M+ Americans. Sprint's 2.5 GHz spectrum has better range and penetration than C-band, giving T-Mobile the largest mid-band 5G footprint of any US carrier.
  • Extended Range (low-band): Broadest 5G footprint of any carrier, covering nearly the entire US population.
  • mmWave: Growing presence in major metros. Less extensive than AT&T's stadium/airport deployments but expanding.
  • Sprint spectrum advantage: 160 MHz of 2.5 GHz nationwide. This cannot be replicated by competitors through spectrum auctions.
  • 5G average download: 186 Mbps nationally (Ookla). Overall median (incl. LTE): 98 Mbps. Ookla Speedtest Award winner for 10+ consecutive quarters.

T-Mobile's mid-band advantage means more customers actually connect to fast 5G in daily use. With 300M covered by mid-band versus AT&T's 200M, T-Mobile users are far less likely to fall back to slower low-band 5G or LTE.

Rural vs Urban: Where Each Carrier Excels

Urban and Suburban Areas

T-Mobile wins. In cities and suburbs (where ~83% of Americans live), T-Mobile's larger mid-band deployment delivers 150-250 Mbps on average, versus AT&T's 75-150 Mbps. The difference is most noticeable during peak congestion hours when T-Mobile's wider spectrum bandwidth handles more simultaneous users.

Rural and Highway Coverage

AT&T wins. AT&T's legacy infrastructure built over decades provides more consistent rural coverage. FCC data shows 68% area coverage vs T-Mobile's 62%. FirstNet tower deployments add capacity in rural areas. Along secondary highways and in small towns, AT&T users are less likely to encounter dead zones.

Check Coverage for Your Address

National statistics tell part of the story, but coverage varies block by block. Check both carriers' official coverage maps for your home, workplace, and common travel routes before deciding.