US MVNO Scorecard, Q2 2026: cable adds 904k lines and out-grows AT&T and Verizon
Cable’s three public MVNOs added ~904,000 mobile lines in Q2 2026, more than AT&T and Verizon’s postpaid phone net adds combined. Spectrum Mobile is now the largest US MVNO at 12.5 million lines; Boost shrank. Data, charts and CSV inside.