Acts 9:4
He fell to the ground and heard a voice saying to him-- "Saul, Saul, why are you persecuting me?"
Acts 10:3
One afternoon, about three o'clock, he distinctly saw in a vision an angel from God come to him, and call him by name.
Acts 10:13
Then he was aware of a voice which said-- "Stand up, Peter, kill something, and eat."
Treasury of Scripture Knowledge
Summary
And when the LORD saw that he turned aside to see, God called unto him out of the midst of the bush, and said, Moses, Moses. And he said, Here am I.