Oftel records show that numbers starting 07005204 are allocated to TalkTalk Communications Limited. Note that due to number portability if an individual number has moved to a different operator this information is not publicly available.
Oftel's last recorded change for this number range was October 2003.
The correct way to write telephone numbers beginning 07005204 is in the format 070 0520 4xxx
For more information on tariffs and usage of numbers starting 070 please visit the page on 070 numbers