Skip to the content


Checks if a telephone number is valid

This service is deprecated in favour of the PhoneValidation service. This service will remain operational for the foreseeable future, but the PhoneValidation service should be used for all new development.


Check a number is valid and get additional information about it.

Use the IsValid method to test a number for validity and retrieve additional information about the type, location and operator of the number.

The following methods are available in the InternationalTelephoneValidation service.


Checks if a telephone number is valid.