This summary of scriptures relevant to the biblical statements that each person of the Trinity is omnipresent will be followed by the actual quotations:
1st Kings 8:27; Jeremiah 23:24; Psalm 139:7-10; Matthew 18:20, 28:20; John 1:47-48, 3:13
1st Kings 8:27 ""But will God indeed dwell on the earth? Behold, heaven and the heaven of heavens cannot contain You. How much less this temple which I have built!"
Jeremiah 23:24 "'Can anyone hide himself in secret places, so I shall not see him?' says the LORD; 'Do I not fill heaven and earth?' says the LORD."
Psalm 139:7-10 "Where can I go from your Spirit? Or where can I flee from your presence? If I ascend into heaven, you are there; If I make my bed in hell, behold, you are there. If I take the wings of the morning, and dwell in the uttermost parts of the sea, even there your hand shall lead me, and your right hand shall hold me."
Matthew 18:20 "For where two or three are gathered together in my name, I am there in the midst of them."
Matthew 28:20 "'observe all things that I have commanded you; and lo, I am with you always, even to the end of the age.' Amen."
John 1:47-48 "When Jesus saw Nathanael approaching, he said of him, 'Here is a true Israelite, in whom there is nothing false.''How do you know me?' Nathanael asked. Jesus answered, 'I saw you while you were still under the fig tree before Philip called you.'"
John 3:13 "No one has ascended to heaven but He who came down from heaven, that is, the Son of Man who is in heaven."