"One Number Away" is a song co-written and recorded by American country music singer Luke Combs.

The song is a country ballad about a man conflicted with not wanting to breakdown and call his ex-girlfriend.

The song was certified 5× Platinum by the Recording Industry Association of America (RIAA), and has sold 5,000,000 copies in the US as of August 2023.

"One Number Away" is a country ballad about a man who is feeling conflict and "struggling not to break down and call his ex".

Rolling Stone described the video as "center[ing] on a broken-up couple who appear to be on the verge of reuniting, while an ominous cloud seems to hang over them both".

[14] On November 8, 2017 (recorded October 2), Combs performed the track along with "When It Rains Is Pours" on Jimmy Kimmel Live!