The Federal Communications Commission (FCC) has imposed fines totaling nearly $200 million on major U.S. wireless carriers, including T-Mobile US, Verizon Communications, and AT&T, for illegally sharing customers' location data without consent. The fines were distributed as follows: T-Mobile US was fined $80 million, AT&T $57 million, Verizon $46 million, and Sprint, now part of T-Mobile, $12 million.