Bible Verses About Prayer: Calling upon the name of the Lord

And he removed from thence unto the mountain on the east of Beth-el, and pitched his tent, having Beth-el on the west, and Ai on the east: and there he builded an altar unto Jehovah, and called upon the name of Jehovah.

Then called I upon the name of Jehovah: O Jehovah, I beseech thee, deliver my soul.

And now why tarriest thou? arise, and be baptized, and wash away thy sins, calling on his name.