This number is not a valid number because it does not have a valid length.
Valid numbers beginning 0331 are 11 digits long.
Ofcom records show that numbers starting 03312 are protected from allocation. Where numbering capacity has been withdrawn from service, the block or code is sterilised for a period, typically 2 years. Alternatively the Ofcom Numbering Unit might protect capacity for a limited period, to avoid dialling errors into similar codes
The correct way to write telephone numbers beginning 0331 is in the format 0331 xxx xxxx
For more information on tariffs and usage of numbers starting 03 please visit the page on 03 numbers
To get more information on a full number beginning 0331, use our full UK number search.