Organization
T-Mobile US
U.S. mobile network operator that acquired substantially all UScellular wireless operations, customers, stores and specified spectrum assets in 2025.
- Company
What to know first
- IdentityT-Mobile US, CompanyHigh confidence
- Commercial servicesMPLS and private WAN · United StatesHigh confidence
Basic information
- Display nameT-Mobile USHigh confidence
- Directory categoryCompanyHigh confidence
- AliasesT-Mobile, TMUSMedium confidence
- Last updatedJun 18, 2026High confidence
Locations
- Geography scopeUnited StatesHigh confidence
- MPLS and private WANUnited StatesMedium confidence
What it does
- MPLS and private WANUnited States, Enterprise network provider, Mobile network operatorHigh confidence
Other network resources
- Service platformT-Mobile US United States MPLS and private WAN · United StatesHigh confidence
Registry and related records
- Editorial contextGrain owns T-Mobile’s 800 MHz map; the access model comes next, The nationwide low-band portfolio has completed its transfer from T-Mobile US to Grain Management for $2.9 billion in cash plus Grain’s 600 MHz licences. Ownership is now settled. Whether the spectrum becomes a shared infrastructure layer, a set of private networks or something narrower is not.Medium confidence
- Editorial contextT-Mobile's 2020 outage showed how one fiber failure became a national routing cascade, For more than twelve hours on 15 June 2020, a communications failure that began with one leased fiber link spread far beyond the place where the cable problem occurred. Calls failed, text messaging was disrupted, and thousands of attempts to reach 911 did not arrive at public safety answering points. The event mattered not because fiber links never break, but because a brief transport failure exposed how routing configuration, software behavior, signaling capacity, recovery tools and emergency notification can interact inside a national mobile network.Medium confidence
- Editorial contextT-Mobile’s accounts slowed while revenue per account kept rising, T-Mobile US added 277,000 postpaid accounts in the second quarter, 13% fewer than a year earlier, but monthly postpaid revenue per account rose 2% to $152.91. The company’s raised cash guidance therefore rests more on monetising a larger relationship than on accelerating the number of new billing accounts.Medium confidence
- Editorial contextT-Mobile's 2020 outage made failover-path assurance a carrier accountability test, A fiber transport link failed for twelve minutes on June 15, 2020. T-Mobile's nationwide voice and text disruption lasted more than twelve hours. The difference between those two intervals is the accountability story: an intended alternate path could not carry the signaling sent to it, registration retries spread congestion through the IMS core, legacy fallback and emergency calling shared constrained resources, and engineers lost management reachability during recovery. Redundancy was therefore not proved by the existence of another route. It depended on whether routing, capacity, overload behavior, 911 dependencies, observability, and management access had been tested together as one failure path.Medium confidence
- Editorial contextT-Mobile made repeat breach notices an enforcement-accountability record, T-Mobile's customer-data breach record is not only a sequence of security incidents. It is a public test of whether repeated notices, regulator settlements, customer remedies, annual-report risk language, and promised control changes can prove that a telecom carrier is reducing exposure rather than normalizing breach response.Medium confidence
- Editorial contextT-Mobile made repeated breach harm an operational-control accountability test, T-Mobile's public breach record is not one incident repeated with one technique. It is a pattern across lab access, credentials, employee identity, remote sales tools, and API permissions that repeatedly turned customer data into harm potential. The accountability question is whether a national carrier with repeated exposure can prove durable operational control: fewer recurring paths, narrower data access, tested remediation milestones, regulator-ready evidence, and measurable reduction in customer risk rather than another notice cycle.Medium confidence
- Editorial contextT-Mobile US: the breach record that turned customer data into an identity-governance test, T-Mobile's 2021-2023 breach record is often reduced to a sequence of large numbers. The more useful account follows authority instead: a connection that looked legitimate to telecom equipment, passwords that worked across lab environments, employee identities defeated by SIM swap and phishing, a remote sales application left reachable after an emergency, and an API whose permissions exposed records at industrial scale. The incidents did not cause a documented nationwide service outage, but they showed why the identity layer around a national carrier's customer data is itself a continuity control.Medium confidence
- Editorial contextT-Mobile taps AI to manage network surges at events, T-Mobile deploys Dynamic CX to use AI for event traffic surges, helping its network prepare for crowds across US venues.Medium confidence
Related research
- Primary articleGrain owns T-Mobile’s 800 MHz map; the access model comes nextHigh confidence
- Primary articleT-Mobile's 2020 outage showed how one fiber failure became a national routing cascadeHigh confidence
- Primary articleT-Mobile’s accounts slowed while revenue per account kept risingHigh confidence
- Primary articleT-Mobile's 2020 outage made failover-path assurance a carrier accountability testHigh confidence
- Primary articleT-Mobile made repeat breach notices an enforcement-accountability recordHigh confidence
- Primary articleT-Mobile made repeated breach harm an operational-control accountability testHigh confidence
- Primary articleT-Mobile US: the breach record that turned customer data into an identity-governance testHigh confidence
- Primary articleT-Mobile taps AI to manage network surges at eventsHigh confidence
- Primary articleGrain besitzt nun das 800-MHz-Portfolio – ein Nutzungsmodell noch nichtHigh confidence
- Primary articleGrain تملك خريطة 800 MHz الوطنية، أما نموذج النفاذ فلم يُحسمHigh confidence
- Primary articleGrain assume o 800 MHz nacional; falta definir quem poderá usá-loHigh confidence
- Primary articleGrainは800 MHzの全国免許を得たが、利用モデルはこれからだHigh confidence
- Primary articleGrain 接手全国 800 MHz 频谱，接入模式才是下一道考题High confidence
- Primary articleGrain ya posee el mapa de 800 MHz; ahora debe darle una vía de accesoHigh confidence
- Primary articleGrain détient désormais le 800 MHz national, pas encore son modèle d’usageHigh confidence
- Primary articleT-Mobile monetarisiert UScellular schneller, als neue Konten hinzukommenHigh confidence
- Primary articleT-Mobile ترفع توقعات النقد ولا تستطيع توقع صافي الربح بالقيد نفسهHigh confidence
- Primary articleT-Mobile devolveu US$ 3,3 bilhões aos acionistas enquanto aumentava o investimento de redeHigh confidence
- Primary articleT-Mobileの解約率0.99%は、27万7000口座の純増と同じ分母で読むHigh confidence
- Primary articleUScellular整合费用压低GAAP利润，却被T-Mobile的调整后增长剔除High confidence
- Primary articleT-Mobile convierte 7.500 M$ de caja operativa en 4.797 M$ de caja libre ajustadaHigh confidence
- Primary articleT-Mobile relève ses objectifs de cash sans relever ses objectifs de comptesHigh confidence