Is it possible to refer a particular line while giving some webpage hyperlink?

I need to provide some reference link to the customer. That particular page contains around say 4000 lines. I want to provide a link in a such a way that when the customer clicks the link it should open with 1000th line. is there any possibility to do such a thing.

For example Here the Some documentation link. If i click that it will open the from top of the page. What should i do to make it open at 400th line?