Elon Musk positions Starlink to be 4th major US phone company.

Starlink’s direct-to-cell service (branded Starlink Mobile) is already commercially available in limited form and is expanding rapidly toward higher-capacity, hybrid satellite-terrestrial service that could challenge traditional carriers.Current status (as of October 2026)

• Roughly 650 dedicated direct-to-cell satellites are in orbit. The service connects unmodified recent smartphones (dozens of models supported) directly to satellites when terrestrial coverage is unavailable, requiring a clear view of the sky for best performance. 
• In the US it is primarily offered through T-Mobile as T-Satellite. It supports SMS/MMS, location sharing, and limited app-based data (e.g., messaging apps, maps, weather). It is included on some premium T-Mobile plans or available as a ~$10/month add-on (including for non-T-Mobile users with compatible unlocked phones). Coverage fills large rural/remote gaps (hundreds of thousands of square miles). Voice and fuller data are limited or in testing; current speeds are modest (often described around a few Mbps in practice). 
• It is also live or rolling out via partners in multiple countries (Australia, Canada, New Zealand, Japan, parts of Europe/Latin America/Asia, etc.). Starlink describes it as powering messaging and select data across six continents to a large population base. Emergency alerts are supported in some places. 

Recent major developments (early–mid October 2026)SpaceX has made several moves that strengthen the path toward becoming a more independent, higher-capacity mobile provider:

• The FCC approved deployment and operation of up to 15,000 next-generation (V2) satellites optimized for direct-to-device connectivity, in very low orbits (~326–335 km). These are described as delivering on the order of 100× the bandwidth of the current generation, with targets up to ~150 Mbps per user in ideal conditions. Launch timelines depend heavily on Starship cadence; fuller broadband rollout is generally projected into 2027. 
• SpaceX agreed to acquire a nationwide portfolio of low-band 800 MHz spectrum (up to ~14 MHz paired) from Grain Management (which had acquired it from T-Mobile). Low-band spectrum improves range and indoor penetration through walls and obstacles—addressing a key limitation of pure satellite links. Most existing phones already support this band. The deal is subject to FCC approval. This complements previously acquired mid-band spectrum (tens of MHz from EchoStar, with full close targeted around late 2027). 
• Regulatory waivers give SpaceX more flexibility to operate without relying solely on spectrum-leasing arrangements with terrestrial carriers. Elon Musk described the low-band acquisition as “the last critical piece of the spectrum puzzle” needed for “complete phone coverage in America.” SpaceX has stated the combination of new spectrum and Gen2 satellites will support high-speed mobile broadband “indoors, outdoors, in cellular dead zones, and everywhere in between.” 

Path to a fourth major carrierSpaceX has publicly positioned Starlink Mobile as moving beyond a dead-zone supplement toward a hybrid satellite + terrestrial network that could compete more directly with AT&T, T-Mobile, and Verizon. This includes plans for terrestrial infrastructure (e.g., smaller base stations, potentially integrated with existing Starlink installations) alongside the satellite layer. Executives have suggested the service could eliminate dead zones, improve resilience during disasters, and attract customers from incumbents once capacity and indoor performance improve substantially. Full realization depends on spectrum deal closings, satellite deployments (Starship-dependent), device/ecosystem support, and further regulatory steps.Caveats and context: Current capacity is constrained, so the service is best as a complement rather than a full replacement for urban/suburban terrestrial networks today. Building out terrestrial assets is capital-intensive. Incumbent carriers have formed their own satellite-related joint efforts and have pushed back on the competitive threat. T-Mobile has reduced Starlink branding on some consumer pages amid broader industry satellite partnerships, though the underlying service continues. In short, direct-to-cell is operational now for basic connectivity in gaps and is backed by recent spectrum and satellite approvals that significantly expand its long-term potential as a hybrid mobile network.