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T-mobile
The second-largest mobile network operator in the United States, with approximately 142.4 million subscribers as of Q4 2025, providing voice, data, LTE, and 5G services nationwide under the T-Mobile brand.
T-Mobile US, Inc. delivers 99% 4G LTE and 98% 5G population coverage across the United States, serving 142.4 million total customers as of Q4 2025. The carrier leads all U.S. networks in median 5G download speed at 309.41 Mbps and holds the top spot in the J.D. Power 2026 U.S. Wireless Carrier Satisfaction Study with a postpaid score of 631 out of 1,000.
United States wireless market leader T-Mobile US, Inc. (NASDAQ: TMUS) operates as the nation's fastest-growing mobile network operator, serving 142.4 million total customers across the United States, Puerto Rico, and the U.S. Virgin Islands as of Q4 2025, with a 5G network that covers 98% of the American population — the widest 5G footprint of any domestic carrier, according to T-Mobile Q4 2025 Earnings Report published February 2026.
T-Mobile delivers the best overall mobile network experience in the United States, confirmed by Ookla's Speedtest Best Mobile Network Award for H2 2025, OpenSignal's nine network experience awards for the February–May 2025 period, and the J.D. Power 2026 U.S. Wireless Carrier Satisfaction Study postpaid top ranking with 631 out of 1,000 points, according to J.D. Power published January 2026.
This review covers T-Mobile's network coverage and speed performance across key U.S. cities, customer service channels and satisfaction scores, value-added features including international roaming in 215+ countries, eSIM support, the T-Life app, and the T-Mobile Tuesdays rewards program. You will also find a side-by-side competitor comparison against AT&T and Verizon, and a complete pros and cons assessment to guide your carrier decision.
Compare AT&T's full review and Verizon's complete carrier profile for additional mobile network options in the United States.
T-Mobile covers 99% of the U.S. population with 4G LTE service and 98% with 5G, reaching over 332 million people nationwide. The carrier's Ultra Capacity 5G mid-band network — built on deep 2.5 GHz spectrum holdings — covers more than 305 million people and spans more than 2 times the square miles of any competitor's mid-band 5G deployment, according to T-Mobile Network Report published 2025.
T-Mobile's Extended Range 5G, operating on 600 MHz low-band spectrum, reaches rural communities that competitors' networks frequently miss. The carrier targets 90% rural household coverage by the end of 2026 using this low-band infrastructure, according to T-Mobile coverage expansion announcements.
T-Mobile's 5G network covers 54% of U.S. land area — more than AT&T's 43% and Verizon's 13% combined — making it the dominant 5G provider by both population reach and geographic footprint, according to Ookla Global Mobile Network Report published February 2025.
The carrier's 5G technology stack includes three distinct layers: Extended Range 5G on 600 MHz Band n71, mid-band Ultra Capacity 5G on 2.5 GHz Band n41, and millimeter wave (mmWave) 5G on 28 GHz and 39 GHz bands in dense urban environments such as New York City, Los Angeles, and Chicago. The 4G LTE network operates across Bands 2, 4, 12, 66, and 71, providing broad indoor and outdoor coverage in all 50 states.
T-Mobile holds 5G standalone (SA) core deployment nationwide on its 2.5 GHz spectrum, enabling advanced capabilities including network slicing, lower latency, and improved spectral efficiency compared to non-standalone 5G configurations used by competitors.
T-Mobile delivers a median overall download speed of 259.48 Mbps and a median 5G download speed of 309.41 Mbps — the first U.S. carrier to break the 300 Mbps 5G download barrier — with a median upload speed of 12.61 Mbps and the lowest latency on any U.S. network at 46 ms, according to Ookla Speedtest Connectivity Report H2 2025 published February 2026.
Location | Download (Mbps) | Upload (Mbps) | Source |
|---|---|---|---|
National Median (Overall) | 259.48 | 12.61 | Ookla H2 2025 |
National Median (5G) | 309.41 | N/A | Ookla H2 2025 |
New York City (5G UC) | ~380.0 | ~28.0 | OpenSignal Feb–May 2025 |
Los Angeles (5G UC) | ~340.0 | ~25.0 | OpenSignal Feb–May 2025 |
Chicago (5G UC) | ~310.0 | ~22.0 | OpenSignal Feb–May 2025 |
Learn more about 5G network performance across the United States for a detailed technical breakdown of spectrum bands and deployment timelines.
T-Mobile operates five primary customer service channels, with Customer Care Representatives available daily from 4:00 AM to 9:00 PM Pacific Time and Team of Experts available from 7:00 AM to 9:00 PM local time. The carrier ranks #1 in postpaid customer satisfaction with a score of 631 out of 1,000 — outperforming the segment average of 603 — according to J.D. Power 2026 U.S. Wireless Carrier Satisfaction Study published January 2026.
>Phone Support: 1-800-937-8997 — available daily from 4:00 AM to 9:00 PM Pacific Time; existing customers dial 611 directly from a T-Mobile device >Live Chat: Available via T-Life app from 4:00 AM to 12:00 AM Pacific Time, with live agent support and AI-assisted triage for common account inquiries >Physical Stores: Thousands of retail locations across all 50 states, Puerto Rico, and the U.S. Virgin Islands, including flagship stores in New York City, Los Angeles, and Chicago — hours vary by location >T-Life App Support: 24/7 self-service available in-app for billing, plan management, device upgrades, eSIM activation, and account changes; rated on iOS and Android app stores >T-Mobile Home Internet Technical Support: 1-844-275-9310 — dedicated line for 5G Home Internet service subscribers
T-Mobile earned the top score across all six measured categories in the J.D. Power 2025 U.S. Business Wireless Satisfaction Study for medium-sized businesses — including network quality, digital tools, billing, customer phone support, cost of service, and promotional offerings — based on a survey of over 4,200 business decision-makers conducted between June and August 2025, according to J.D. Power published October 2025.
Compare customer support quality across all major U.S. carriers in our comprehensive carrier support comparison guide.
T-Mobile provides these value-added services and features for postpaid subscribers:
>International Roaming: Available in 215+ countries and destinations across all continents, including Europe (France, Germany, Italy, Spain, and the United Kingdom), Asia (Japan, South Korea, India, Thailand, and Vietnam), and the Americas (Mexico, Canada, Brazil, Argentina, and Colombia); the International Pass unlocks unlimited data and calling in the same 215+ destinations >T-Life App Features: Account and plan management, real-time data usage tracking, bill payment and autopay enrollment, device upgrade shopping, eSIM activation and SIM transfer between devices, customer support chat, store locator, and T-Mobile Tuesdays rewards access — all consolidated in a single application >eSIM Support: T-Mobile supports eSIM activation across compatible iPhone, Google Pixel, and Samsung Galaxy devices; the T-Life app enables self-serve eSIM transfers between devices in minutes without a store visit or phone call, using the IMEI and EID of the destination device, according to T-Mobile support documentation published October 2025 >T-Mobile Tuesdays Rewards Program: A weekly loyalty program delivering free items, discounts, and sweepstakes entries to all T-Mobile and Metro by T-Mobile customers every Tuesday, with partner benefits from brands including MLB, Dunkin', Shell, and Vistaprint >5G Home Internet: Fixed wireless access service available in areas underserved by fiber infrastructure, using T-Mobile's 5G network to deliver home broadband with no annual contracts and a dedicated technical support line at 1-844-275-9310 >Premium Plan Bundles: T-Mobile's Go5G and Go5G Plus plans bundle high-speed data with streaming services including Netflix and Apple TV+, with a five-year price lock guarantee for subscribers
Discover how eSIM activation works across all major carriers in our complete eSIM technology and activation guide.
T-Mobile US key advantages and disadvantages at a glance
>Largest 5G Network In The U.S.: T-Mobile's 5G covers 98% of the American population and 54% of U.S. land area — exceeding AT&T's 43% and Verizon's 13% of land area — with Ultra Capacity mid-band 5G reaching 305 million people, according to Ookla Global Mobile Network Report published February 2025 >Fastest Median 5G Download Speed: T-Mobile's 309.41 Mbps median 5G download speed in H2 2025 surpasses Verizon's 215 Mbps and AT&T's comparable figures by more than 94 Mbps, making it the first U.S. carrier to break the 300 Mbps 5G download barrier, according to Ookla Speedtest Report H2 2025 published February 2026 >Top-Ranked Customer Satisfaction: T-Mobile holds the #1 postpaid satisfaction score of 631 out of 1,000 points in the J.D. Power 2026 U.S. Wireless Carrier Satisfaction Study, outperforming the segment average of 603, and also ranks #1 in prepaid satisfaction with a score of 629 for a second consecutive volume, according to J.D. Power published January 2026 >Widest International Roaming Coverage: T-Mobile's International Pass reaches 215+ countries and destinations — covering Europe, Asia, the Americas, Africa, and Oceania — giving subscribers connected service in more destinations than any competing domestic carrier plan at a comparable tier
>Mixed Third-Party Consumer Reviews: T-Mobile's Trustpilot profile reflects widespread consumer complaints related to billing discrepancies, promotional rebate delays, and inconsistent in-store service quality, with multiple reviewers citing unresolved disputes lasting over 60 days, according to Trustpilot reviews published through March 2026 >Upload Speed Gap Versus Download Performance: T-Mobile's median upload speed of 12.61 Mbps lags significantly behind its industry-leading download speeds, and Verizon and AT&T have closed ground on T-Mobile's download lead — Verizon gained 33 Mbps since H1 2025 versus T-Mobile's 14 Mbps gain — according to Ookla H2 2025 Report published February 2026 >Postpaid Phone Churn Rate Increase: T-Mobile's postpaid phone churn rate reached 1.02% in Q4 2025, up from 0.86% in Q3 2025 and 0.92% in Q4 2024, indicating a slight acceleration in subscriber losses to competitors at the premium plan tier, according to T-Mobile Q4 2025 Earnings Report published February 2026
The U.S. wireless market is dominated by three national mobile network operators: T-Mobile US, Verizon Communications, and AT&T Inc. T-Mobile's total customer base of 142.4 million as of Q4 2025 trails Verizon's approximately 146.9 million subscribers, though T-Mobile added 3.3 million postpaid phone customers in 2025 compared to Verizon's 0.4 million, closing the gap rapidly, according to Q4 2025 earnings data published February 2026.
T-Mobile's differentiation strategy centers on network speed and 5G reach, where it leads both competitors by wide margins, while Verizon retains an edge in overall network reliability and AT&T competes on bundled entertainment value with its DirecTV and streaming integrations.
Feature | T-Mobile US | ||
|---|---|---|---|
4G LTE Population Coverage | 99% | ~97% | ~99% |
5G Population Coverage | 98% | ~75% | ~70% |
5G Land Area Coverage | 54% | 43% | 13% |
Median 5G Download Speed | 309.41 Mbps | ~185 Mbps | ~215 Mbps |
Total Subscribers | 142.4M | ~223M (total) | ~146.9M |
J.D. Power Postpaid Score (2026) | 631 / 1,000 | Below average | Near average (603) |
International Roaming Countries | 215+ | 210+ | 210+ |
eSIM Self-Serve Activation | Yes (T-Life app) | Yes | Yes |
T-Mobile suits subscribers who prioritize the fastest 5G speeds and the widest 5G footprint. Verizon performs better for users in areas where mid-band 5G density and reliability outrank raw speed. AT&T offers competitive value for households bundling wireless with home internet or entertainment streaming packages.
Read our detailed T-Mobile vs AT&T comparison or explore T-Mobile vs Verizon head-to-head analysis for a full feature and pricing breakdown.
T-Mobile US operates the largest and fastest 5G network in the United States, covering 98% of the American population and 54% of U.S. land area as of 2026. The network runs three 5G tiers: Extended Range 5G on 600 MHz for rural reach, Ultra Capacity 5G on 2.5 GHz mid-band for dense urban performance, and mmWave 5G in select high-traffic venues including airports and stadiums. The Ultra Capacity layer alone covers more than 305 million people, according to T-Mobile Network Report published 2025.
T-Mobile US delivers a median overall download speed of 259.48 Mbps and a median 5G download speed of 309.41 Mbps — the highest of any U.S. carrier — with a median upload speed of 12.61 Mbps and the lowest latency on any domestic network at 46 ms. These figures represent H2 2025 performance data and mark the first time a U.S. carrier has exceeded 300 Mbps in median 5G download speed, according to Ookla Speedtest Connectivity Report H2 2025 published February 2026.
T-Mobile US covers 99% of the U.S. population with 4G LTE service in all 50 states, Puerto Rico, and the U.S. Virgin Islands, with 5G service reaching 98% of Americans. Coverage extends to major metropolitan areas including New York City, Los Angeles, and Chicago with Ultra Capacity 5G, and to rural communities through the 600 MHz Extended Range 5G network. The carrier targets 90% rural household coverage by the end of 2026, according to T-Mobile network expansion announcements.
T-Mobile US customer service is reachable by calling 1-800-937-8997 or dialing 611 from a T-Mobile phone, with representatives available daily from 4:00 AM to 9:00 PM Pacific Time. The T-Life app provides 24/7 self-service and live agent chat from 4:00 AM to 12:00 AM Pacific Time. The Team of Experts — a dedicated support team for postpaid accounts — is available from 7:00 AM to 9:00 PM local time, according to T-Mobile contact page published 2025.
T-Mobile US supports eSIM activation and self-serve eSIM transfers across compatible iPhone, Google Pixel, and Samsung Galaxy devices directly through the T-Life app, with no store visit or phone call required. The eSIM transfer process requires the IMEI and EID of the destination device and completes within minutes on the T-Mobile network. Prepaid eSIM activation uses a separate dedicated T-Mobile Prepaid eSIM app available on iOS and Android, according to T-Mobile eSIM support documentation published October 2025.
T-Mobile US international roaming covers 215+ countries and destinations across all six inhabited continents, including Europe, Asia, the Americas, Africa, and Oceania. Key covered destinations include France, Germany, the United Kingdom, Japan, South Korea, India, Mexico, Canada, Brazil, and Australia. The T-Mobile International Pass enables unlimited calling and data in the same 215+ destinations for a fixed fee, according to T-Mobile International Roaming Support page published 2025.
T-Mobile US leads AT&T on 5G land area coverage (54% versus 43%), median 5G download speed (309.41 Mbps versus approximately 185 Mbps), and J.D. Power postpaid customer satisfaction (631 versus below the 603 segment average). AT&T holds an advantage in bundled home internet and entertainment integrations and operates a larger overall subscriber base when including its wireless and broadband divisions. Both carriers support eSIM and offer international roaming in 210+ countries, according to Ookla H2 2025 and J.D. Power 2026 Satisfaction Study data.
T-Mobile US's defining feature is its Ultra Capacity 5G network, which delivers a median 5G download speed of 309.41 Mbps — the fastest of any U.S. carrier and the first to exceed 300 Mbps — covering more than 305 million people across the widest 5G footprint in the country. This performance led Ookla to award T-Mobile Best Mobile Network and Best 5G Network in the United States for H2 2025, and OpenSignal to grant nine network experience awards for the February–May 2025 measurement period, according to both Ookla and OpenSignal reports published in 2025 and 2026.
T-Mobile US delivers the fastest 5G speeds, widest 5G footprint, and top-rated postpaid customer satisfaction of any U.S. carrier in 2026 — making it the strongest choice for speed-focused subscribers in urban and suburban markets.
Explore more mobile carrier options through our complete United States carrier directory or learn how to choose the right carrier for your coverage and budget needs.
Last Updated: March 13, 2026
Sources:
>Ookla Speedtest, United States Connectivity Report H1 2025, October 2025 >Ookla Speedtest H2 2025 Best Mobile Network Awards, February 2026 >J.D. Power, 2026 U.S. Wireless Carrier Satisfaction Study Volume 1, January 2026 >OpenSignal, U.S. Mobile Network Experience Report June 2025, RCRWireless June 2025 >T-Mobile US, Q4 and Full Year 2025 Earnings Report, February 2026 >T-Mobile US Official Website — t-mobile.com
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