SpaceX is in talks to buy Boost Mobile or to use its network, the Washington Post reports. A purchase would bring subscribers and network infrastructure at once, where building them itself would take years.

The approach fits a strategy Elon Musk has been laying out, with SpaceX agreeing on October 8 to buy up to 14 megahertz of paired 800 MHz spectrum, a deal he called the last puzzle piece for phone coverage across America. SpaceX says the low-band signal gets through walls and complements its 2 GHz mid-band holdings. But the deal is not done: it is expected to close in the first half of 2027, the transfer from Grain Management still needs FCC approval, and SpaceX plans a separate application to use the band from orbit.

Musk said in September 2025 that buying a carrier was not out of the question, and Semafor reported in July that SpaceX was weighing spectrum purchases to take on AT&T, Verizon and T-Mobile, including by acquiring competitors. Semafor also said the plans were fluid and SpaceX could choose not to pursue them.

Boost Mobile would not be SpaceX's first big deal of late. It completed its Cursor acquisition on August 14 at an implied equity value of $60bn. Barclays has told clients a formal Tesla-SpaceX combination could be announced before December, though neither company has confirmed a merger.

Investors are already wary. SpaceX shares fell more than 5 per cent on October 30 to their lowest since August, after a 58 per cent rebound from the August low by October 5. Semafor reported that fears about AI add 200 basis points, or two percentage points, to the cost of SpaceX's debt, which is the balance sheet a Boost Mobile purchase would be added to.

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