Instagram is a Photo Share Website.
does not list phone numbers of it's members
like historic Whitepages.
Connected to Instagram you can comment on pictures
and connect to people from the Czech Repubic that post images.
The Name instagram is a mix of the expressions "instant camera"
As of 2020 August the Czech Repubic has 2.828.000 Instagram Users,
54.3% are woman, 45.7% are men
More on the history of Instagram
on the Brand Portal VB.com