← Area code 720
720-999 phone numbers
Numbers 720-999-0000 to 720-999-9999 are assigned to T-Mobile USA, Inc. in Denver, CO. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 720-999
- 1 (720) 999-3436 9complaints
- 2 (720) 999-1078 2complaints
- 3 (720) 999-9266 2complaints
- 4 (720) 999-0726 1complaints
- 5 (720) 999-1441 1complaints
- 6 (720) 999-2332 1complaints
- 7 (720) 999-2777 1complaints
- 8 (720) 999-2835 1complaints
- 9 (720) 999-3030 1complaints
- 10 (720) 999-3065 1complaints
- 11 (720) 999-7999 1complaints
- 12 (720) 999-9069 1complaints
- 13 (720) 999-9110 1complaints
- 14 (720) 999-9296 1complaints
- 15 (720) 999-9319 1complaints
- 16 (720) 999-9379 1complaints
- 17 (720) 999-9409 1complaints
- 18 (720) 999-9414 1complaints
- 19 (720) 999-9481 1complaints
- 20 (720) 999-9484 1complaints
- 21 (720) 999-9515 1complaints
- 22 (720) 999-9586 1complaints
- 23 (720) 999-9750 1complaints
- 24 (720) 999-9837 1complaints
- 25 (720) 999-9908 1complaints