0151 355 4555

This service has been superceded by the International Telephone Validation service which covers UK as well as many other countries.

Telephone Validation (UK)

The telephone validation web service includes a simple method of verifying if a UK telephone number is valid.

The telephone validation service can be accessed at http://webservices.data-8.co.uk/TelephoneValidation.asmx

To find out more you can use the below links