SpaceX wants to lease up to 80,000 cell sites and turn Starlink Mobile into a fourth national carrier. The move sent tower stocks soaring and the wireless giants reeling. A space company is now hunting ground.
By Blumefield | October 24, 2026
The Hunt for High Ground
Elon Musk's SpaceX has spent years proving it can connect an ordinary phone directly to a satellite. This week it signaled something far more ambitious. According to reporting that moved markets on October 21 and 22, the company is in talks to lease access to at least 80,000 cell sites across the United States, a footprint that would let Starlink Mobile operate as a genuine terrestrial carrier rather than a satellite add-on. That is roughly half of the 158,500 purpose-built towers the Wireless Infrastructure Association counted nationwide last year.
The reaction was immediate. Shares of Crown Castle, which owns about 40,000 towers, jumped roughly 12 percent, while rival SBA Communications climbed close to 8 percent. The three incumbent wireless giants went the other way, with AT&T, Verizon and T-Mobile all sliding between 4 and 5 percent in extended trading. Investors grasped the message quickly. A company that built its name far above the atmosphere is now reaching for the ground beneath the incumbents' feet.
Crown Castle has not confirmed any agreement, and its leadership would say only that the company is in discussions with all parties. SpaceX has stayed silent on the specific numbers. Yet the strategic logic lines up with everything the company has done over the past twelve months, and Starlink Mobile has quietly become one of the most consequential bets in American telecommunications.
Why a Satellite Company Needs Dirt
The instinct is to ask why a business with thousands of orbiting satellites would bother renting steel towers. The answer is physics. Signals beamed from low Earth orbit struggle to punch through roofs, concrete walls and dense urban clutter, which is precisely where people spend most of their waking hours and make most of their calls. Space is excellent for covering empty highways and open ocean. It is far weaker at reaching a basement office in Manhattan.
SpaceX has been candid about the division of labor. The company has indicated that its S-band spectrum will carry most Starlink Mobile traffic from orbit, while newly acquired low-band 800 MHz airwaves are meant to deliver the in-building coverage satellites cannot. Leasing tower space supplies the last ingredient, giving the network dense, ground-based transmitters in exactly the places where a signal from 500 kilometers up tends to fail.
This hybrid design is the part the market took time to appreciate. A network that is part orbital and part terrestrial could offer something neither pure satellite upstarts nor traditional carriers can match alone. Seamless coverage from a remote trailhead to a crowded elevator has long been the holy grail of wireless, and SpaceX is now assembling the hardware to chase it.
An Arsenal of Spectrum
None of this would be possible without spectrum, and SpaceX has been acquiring it at a breathtaking pace. In 2025 it agreed to buy a sweep of licenses from EchoStar for about 17 billion dollars, a deal that resolved a federal regulatory probe and handed the company a deep inventory of satellite and mid-band airwaves. That single transaction reframed SpaceX overnight, turning a connectivity experiment into a spectrum heavyweight with the raw capacity a national carrier requires.
The buying has not slowed. On October 8 the company agreed to acquire up to 14 MHz of paired 800 MHz low-band spectrum, a transaction expected to close in the first half of 2027. Musk called the low-band holdings the last critical piece of the spectrum puzzle needed to provide complete phone coverage across America. On October 21 regulators cleared its purchase of unused AWS-3 licenses, adding another 15 MHz of uplink capacity to the stockpile.
Orbit matters just as much. On October 7 the Federal Communications Commission approved SpaceX's plan to launch 15,000 next-generation direct-to-device satellites, the constellation that will anchor Starlink Mobile from above. Taken together, the satellite clearance and the spectrum spree paved the way, in the words of president Gwynne Shotwell on the company's third-quarter call, for Starlink Mobile to become a major mobile carrier in the United States.
The Incumbents Dig In
The established carriers are not panicking in public, but their language has sharpened. AT&T chief executive John Stankey argued that matching incumbent performance is neither quick nor cheap, noting that it takes a lot of years and a huge level of investment, and pointing to his company's low-band holdings and existing infrastructure. T-Mobile's leadership has openly questioned what consumer problem a new entrant would actually solve.
They have reasons for confidence. Building a nationwide ground network from scratch is brutally expensive. Analysts at TD Cowen estimate that a full terrestrial buildout would cost more than 80 billion dollars and take many years, even for a company as well capitalized as SpaceX. Leasing 80,000 existing sites is a shortcut around that wall, but it is still a multibillion-dollar annual commitment in rent alone, and it hands enormous pricing power to the tower landlords whose shares spiked on the news.
There is also the awkward matter of partnership. SpaceX already works with T-Mobile on a satellite connectivity service that fills coverage dead zones, which makes its carrier ambitions a competitive wrinkle for a current customer. The tower talks suggest SpaceX intends to stand on its own two feet rather than remain a wholesale supplier to the very companies it now hopes to displace. As Blumefield has tracked across SpaceX's recent earnings disclosures, the firm rarely signals an intention it does not eventually pursue.
The Hundred-Billion-Dollar Prize
Why go to all this trouble? Because the prize is enormous. Musk has told investors he sees a clear path to several hundred billion dollars a year in connectivity revenue, a figure that dwarfs the current economics of the satellite broadband business. The US wireless market is a fortress of recurring monthly subscriptions, and Starlink Mobile is a direct assault on its walls.
The timeline is deliberate. SpaceX is targeting deployment of a second-generation Starlink Mobile constellation in 2027, with a direct-to-device service launch aimed at early 2028. The tower negotiations happening now are the groundwork, quite literally, for a network that will not fully arrive for another two years. That lag gives incumbents room to respond and gives regulators time to weigh the competitive stakes of a single company controlling both the sky and a large slice of the ground.
What is no longer in doubt is the seriousness of the effort. A year ago, Starlink's mobile ambitions could be dismissed as a novelty bolted onto a broadband company. The 80,000-tower talks, the 17-billion-dollar spectrum war chest and the 15,000-satellite approval tell a very different story. SpaceX is assembling every piece of a full carrier, and the only real question left is how fast it can bolt them together. For readers following the collision of space and telecom, Blumefield will keep watching the ground game as closely as the launches.