Local Mobile Number Database Provider

I'm in need of a freelancer who can supply a database of local contact numbers needed for our telecalling campaigns. This project will involve curating a list of valid, local mobile numbers that our team can use to reach potential customers. Thus, experience in data mining and knowledge of local number systems is ideal. The selected freelancer will respect all guidelines in terms of legality and data privacy.

here is the category. we need this data pan india
general coucils
corporate lawyers
company secretary
legal heads
legal advisor
chief council
Regional council

Please quote me per data.
You must provide sample of 10 records to prove efficiency.