Verses with the word trumpet in the New Testament (9 verses):

Matthew 6:2
Therefore when thou doest thine alms, do not sound a trumpet before thee, as the hypocrites do in the synagogues and in the streets, that they may have glory of men. Verily I say unto you, They have their reward.

Matthew 24:31
And he shall send his angels with a great sound of a trumpet, and they shall gather together his elect from the four winds, from one end of heaven to the other.

1 Corinthians 14:8
For if the trumpet give an uncertain sound, who shall prepare himself to the battle?

1 Corinthians 15:52
In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.

Hebrews 12:19
And the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them any more:

Revelation 1:10
I was in the Spirit on the Lord's day, and heard behind me a great voice, as of a trumpet,

Revelation 4:1
After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.

Revelation 8:13
And I beheld, and heard an angel flying through the midst of heaven, saying with a loud voice, Woe, woe, woe, to the inhabiters of the earth by reason of the other voices of the trumpet of the three angels, which are yet to sound!

Revelation 9:14
Saying to the sixth angel which had the trumpet, Loose the four angels which are bound in the great river Euphrates.