The White House declined to provide more details about the call, which took place on a day when the president had no public events.
But Trump himself decided to tell the conversation on Thursday at the end of an hour. Long Talk in a Union Outside of Cleveland
"Look at Roseanne – look at her ratings," Trump said to the crowd gathered to hear Trump announce what was an Infrastructure Announcement, but more political instead
He said he had first taken a phone call from the producer of his "apprentice" series Mark Burnett, who asked if he had seen Roseanne's ratings.
"They were incredible," said Trump. "Over 18 million people and it was about us."
Trump said the mainstream media has not "figured it out" yet.
Trump has been very much focused on television ratings in the past, including his own host of NBC's "The Apprentice."
Barr on Thursday said that she and Trump had talked about television viewers and that Trump had called them to congratulate her.
"They said, 'Please hold for the President of the United States & # 39 ;, and that was the most exciting of all times. It was just very nice of him to congratulate us," she said Thursday morning during a Interviews in ABC News "Good Morning America".
"We only had a private conversation," she said. "But you know, we've talked about many things, he's just happy for me, I've known him for many years and he's done a lot of nice things for me over the years so it was just a friendly conversation work, and you know, television and reviews. "
" Roseanne "originally ran on the network from 1988 to 1997. It portrays the fictitious working-class family Conner, who lives in Illinois. In real life, Barr is also a vocal Trump fanatic, though she lives on a macadamia nut farm in Hawaii, not Illinois.
CNN's Veronica Stracqualursi has contributed to this report.