T-Mobile US, Inc. (NASDAQ: TMUS) has reported financial results for the third quarter of 2025 that surpassed market expectations. The company achieved 2.3 million postpaid net customer additions and generated $18.2 billion in service revenue. In response to this strong performance, T-Mobile has raised its full-year guidance, now anticipating 7.2 to 7.4 million total postpaid net customer additions and core adjusted EBITDA between $33.7 billion and $33.9 billion.