T-Mobile USA, the fourth-largest U.S. mobile-phone operator, said an industry deal to reduce the number of nationwide wireless providers to three is likely “in the longer term” following regulatory shifts.

“Is it possible that four major players could go down to three?” Chief operating officer Jim Alling said in a speech today at a conference in Barcelona organized by Morgan Stanley. “I think that is possible, and likely in the longer term. I don’t know how likely that is, based on the current regulatory environment” of U.S. President Barack Obama’s administration.