This number is not a valid number because it does not have a valid length.
Valid numbers beginning 0800 are 10 digits long.
Ofcom records show that numbers starting 0800019 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.
Ofcom's last recorded change for this number range was June 2006.
The correct way to write telephone numbers beginning 0800 is in the format 0800 xxxxxx
For more information on tariffs and usage of numbers starting 08 please visit the page on 08 numbers
To get more information on a full number beginning 0800, use our full UK number search.