You can also connect to es.linkedin.com
Linkedin is a social Media website for Professional People.
It does not list Spanish phonenumbers like historic Whitepages
but profiles of individual people.
Connected to Linkedin you can send messages
to people from Spain you found.
As of 2020 August 13.420.000 people from Spain
are connected to Linkedin.
2016 Linkedin was acquired by Microsoft.
More on the history of Microsoft
on the Brand Portal VB.com