Strong's numbers

τελέω G5055

teléō

tel-eh'-o

from τέλος; to end, i.e. complete, execute, conclude, discharge (a debt):--accomplish, make an end, expire, fill up, finish, go over, pay, perform.

τελέω, -ῶ (< τέλος), [in LXX for כָּלָה, pi., etc. ;]

1. to bring to an end, complete, finish: τ. δρόμον, II Ti 4:7; τ. λόγους, Mt 7:28 19:1 26:1; τ. παραβολάς, Mt 13:53; τ. πόλεις, Mt 10:23; pass., Re 15:8 20:3, 5, 7; c. ptcp., Mt 11:1.

3. to pay (freq. in cl.): Mt 17:24, Ro 13:6

(cf. ἀπο-, δια-, ἐκ-, ἐπι-, συν-τελέω).†

From G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), in the public domain.

Shown in the King James Version (KJV), whichever translation you read in — it is the text these numbers are tagged against.

Revelation 15:1
And I saw another sign in heaven, great and marvellous, seven angels having the seven last plagues; for in them is filled up the wrath of God.
Revelation 15:8
And the temple was filled with smoke from the glory of God, and from his power; and no man was able to enter into the temple, till the seven plagues of the seven angels were fulfilled.
Revelation 17:17
For God hath put in their hearts to fulfil his will, and to agree, and give their kingdom unto the beast, until the words of God shall be fulfilled.
Revelation 20:3
And cast him into the bottomless pit, and shut him up, and set a seal upon him, that he should deceive the nations no more, till the thousand years should be fulfilled: and after that he must be loosed a little season.
Revelation 20:5
But the rest of the dead lived not again until the thousand years were finished. This is the first resurrection.
Revelation 20:7
And when the thousand years are expired, Satan shall be loosed out of his prison,