Skip to the content


Check if a landline number is valid and active


Check a landline number in real-time against the network.

The telephone line validation web service includes a simple method of verifying if a UK landline telephone number is valid and currently in-use.

The following methods are available in the TelephoneLineValidation service.


Validate a UK landline number

Email Validation Blogs

The number of returned mail reduced by 28% as a result of the integrated reference to the goneaway file

Business Strategy Manager, Brookson Ltd

Start a Free 30 Day Trial Today

Start a free trial today