Reba McEntire is revealing that Dolly Parton rang her up before she died … but unfortunately, Reba didn’t get a chance to reconnect.

The “Fancy” singer spoke with Entertainment Tonight about the missed call … and the lost chance to have one final conversation with the “9 to 5” hitmaker.

She said … “She did call me the last of July, and I was in a meeting and I missed her call.”

Reba said that despite trying to get back in touch with her … she “never made a connection.”

Fast-forward to the day news broke that Dolly had died … and Reba admits she made a somber realization.

“My buddy called me and said, ‘Dolly’s gone,’ I thought, ‘I’ll never know why she called me.’”