Zechariah 1:1 uses the same 'word of the LORD came' formula — marking a new oracle, just as in 6:9.

Zechariah 7:1 also begins with 'the word of the LORD came' — another prophetic oracle introduction parallel to 6:9.

Zechariah 8:1 starts with 'the word of the LORD came' — the same formula used here in 6:9.