Isaiah 58:9 promises that when you call the Lord will answer — a close parallel to the immediate hearing described here, though this verse emphasizes before they call.

In Isaiah 37:21, God sends an answer to Hezekiah's prayer about Sennacherib — an example of the immediate response promised here.

In Acts 10:30-32, Cornelius is told his prayer has been heard while he is still praying — a direct instance of God answering while yet speaking.

In Luke 15:18-20, the father runs to embrace the prodigal son while he is still far off — a parable of God’s readiness to respond even before the words are fully spoken.

Daniel 10:12 reveals that God heard Daniel's words from the first day he prayed — illustrating answering while yet speaking.

Psalm 50:15 calls to 'call upon me' and promises deliverance — reinforcing God's responsiveness but this verse goes further, answering before the call.

In Daniel 9:20-23, Gabriel comes while Daniel is still praying — an exact example of God answering before the call is finished.

In Genesis 24:45, the servant recounts that Rebekah came before he finished speaking in his heart, echoing the pattern of God answering before the call.

In Luke 23:43, Jesus immediately answers the thief's request to be remembered — a powerful example of swift response to a plea.

In Jeremiah 33:3, God invites calling and promises answers revealing hidden things — reinforcing the theme of responsive communication.

In Jeremiah 29:12, God promises to listen when His people call — directly echoing the assurance of hearing before they speak.

In Psalm 138:3, the psalmist testifies that God answered on the day of calling—illustrating the quick answer promised here even before the call.

In Psalm 65:2, God is called the one who hears prayer—a direct parallel to the promise that he answers even before we call.

In Psalm 34:17, the Lord hears the righteous cry and delivers them—matching the promise of God's quick response to prayer.

In Psalm 3:4, David cries to the Lord and is answered from his holy hill—echoing God's promise to answer even before we call.

In Genesis 24:15, the servant's prayer is answered before he finishes speaking—Rebekah appears, exactly mirroring the promise of immediate answer.

Acts 12:5-16 recounts Peter’s rescue while the church is still praying — a narrative parallel to God answering during the prayer itself.

In Psalm 102:2, the psalmist pleads for a speedy answer—mirroring the desire for quick response that God promises to exceed.

Psalm 91:15 promises that God will answer when called — a parallel assurance, though Isaiah emphasizes answering even before they call.

In Matthew 6:6, Jesus teaches private prayer with a reward from the Father — a parallel emphasis on God hearing, but not the immediacy here.

Mark 11:24 promises that prayer with faith will be received — a related teaching on answered prayer, but with emphasis on belief rather than timing.

In Psalm 10:17, the Lord hears the afflicted's desire and inclines his ear—a related theme of God's attentiveness, though not as immediate as 'before they call'.

In John 16:23, Jesus promises that prayer in his name will be granted — a parallel promise of answered prayer, though not specifically immediate.

1 John 5:14 teaches that God hears prayer according to his will — a parallel promise with a conditional aspect not present in Isaiah’s unconditional assurance.

1 John 5:15 assures that if we know God hears, we have our requests — a confident application of the hearing promise, echoing Isaiah’s theme.