Need 2000contact details of old people

I am looking to hire someone who can help me with my project by obtaining 2000 whatsapp contact details of old people, preferably from a specific location. The contact details I'm looking for will be in the form of phone numbers. The intended use of the contact details is for marketing purposes. If you have the expertise to help me with this project, please contact me and let me know how you can assist. Thank you.