T-Mobile said it added 854,000 postpaid phone subscribers vs. estimates of 739,000. In the third quarter, AT&T (T) added 708,000 phone subscribers while Verizon Communications (VZ) added 8,000.
https://www.investors.com/news/technology/tmus-stock-tmobile-earnings-tmobile-stock-q32022/
So all the customer we lost went to either Tmobile or ATT.