Ezra 5:1
Then the prophets, Haggai the prophet, and Zechariah the son of Iddo, prophesied unto the Jews that were in Judah and Jerusalem in the name of the God of Israel, even unto them.
Cross-reference
Ezra 6:14 explicitly mentions Haggai and Zechariah's preaching during the temple completion, continuing the narrative from Ezra 5:1.
Haggai 1:1-15 contains the prophecy summarized in Ezra 5:1 — Haggai's call to rebuild the temple.
Haggai 1:2-8 contains the prophecy Haggai delivered rebuking neglect of the temple, directly matching the context of Ezra 5:1.
Zechariah 1:1-21 records the visions of the prophet Zechariah, whom Ezra 5:1 names as prophesying to the Jews.
Zechariah 1:3 is the call to return to God, a key message Zechariah proclaimed as noted in Ezra 5:1.
Zechariah 1:4 warns against disobedience, part of the same prophecy Zechariah gave in the time of Ezra 5:1.
Zechariah 4:6-10 speaks of rebuilding the temple by God's Spirit, supporting the encouragement by Zechariah in Ezra 5:1.
Haggai 1:3 introduces the word of the Lord through Haggai, directly linked to the prophetic activity in Ezra 5:1.
Zechariah 8:9 exhorts those who heard prophets on the day the foundation was laid, directly linking to Ezra 5:1's account of Zechariah's prophecy.