The US government has not reported the conversation on its website or mentioned it on any of their official social media accounts like @USAgov, @WhiteHouse, etc.
Trump, who is notorious for his use of Twitter, has also not tweeted about it either from his personal account@realDonaldTrump or the official account @POTUS.
He, however, tweeted about the visit of the Prime Minister of Canada, Justine Trudeau from his personal account.
Even the United States Diplomatic Mission in Nigeria, has failed to acknowledge the phone conversation via@USEmbassyAbuja.
However, the official accounts of the president of Nigeria, @NGRPresident; the government of Nigeria, @AsoRock; the Minister of Foreign Affairs, Geoffrey Onyeama, @GeoffreyOnyeama and more than five media aides of Buhari (Femi Adesina, Garba Shehu, Tolu Ogunlesi, Bashir Ahmad and Lauretta Onochie) have all spoken about it.