Ofcom records show that numbers starting 07710 are allocated to Telefonica UK Limited. 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 December 1997.
The correct way to write telephone numbers beginning 07710 is in the format 07710 xxxxxx
For more information on tariffs and usage of numbers starting 07 please visit the page on 07 numbers
To get more information on a full number beginning 07710, use our full UK number search.