You can also connect to it.linkedin.com
Linkedin is a social Media website for Professional People.
It does not list Italian phonenumbers like historic Whitepages
but profiles of individual people.
Connected to Linkedin you can send messages
to people from Italy you found.
2016 Linkedin was acquired by Microsoft.
As of 2020 august 14.570.000 people from Italy
were connected to Linkedin (24.7 % of the Italian population)
More on the history of Microsoft
on the Brand Portal VB.com