"Operator, Operator" (also titled "Heart on the Line (Operator, Operator)") is a country music song co-written and recorded by Larry Willoughby, a cousin of country music singer Rodney Crowell, and Janet Willoughby. He released the song in 1983 from the album Building Bridges, and took it to number 65 on the Hot Country Songs charts. The Oak Ridge Boys also recorded it under the original title, as the b-side to their 1983 single "Love Song".