Number 07984 284065 is potentially valid
Ofcom records show that numbers starting 079842 are allocated to EE Limited ( TM). Note that due to number portability if an individual number has moved to a different operator this information is not publicly available.
Ofcom's last recorded change for this number range was September 2000.
The correct way to write the telephone number 07984284065 is 07984 284065
For more information on tariffs and usage of numbers starting 07 please visit the page on 07 numbers