According to this 2018 article from The Verge[1], the new T-Mobile will have 90 million customers putting it just behind AT&T (at 93 million) and slightly farth

According to this 2018 article from The Verge[1], the new T-Mobile will have 90 million customers putting it just behind AT&T (at 93 million) and slightly farther behind Verizon (116 million). The New T-Mobile's customer base will still be more heavily weighted towards lower-cost prepaid customers rather than higher-cost postpaid consumer and business customers compared to their competitors so they will probably remain behind them in ARPU. [1] https://www.theverge.com/2018/4/30/17301392/t-mobile-sprint-merger-preview-phone-carrier https://www.theverge.com/2018/4/30/17301392/t-mobile-sprint-...