Same happens to myself also, and I just don't answer them. The telemarketers/scammers think if you see a local number, you will answer. More likely to work in small towns with one or few exchanges, but not so much so in a built up suburban area as No.. VA.
The FCC is trying to deal with caller ID spoofing
https://www.engadget.com/2018/11/06/fcc-caller-id-authentication-2019/ . Originally only debt collectors or police department could use it to catch up with criminals, but sadly the tech got into the hands of the bad guys.
From the article 'The FCC chairman has demanded (PDF) the adoption of a robust call authentication system to prevent caller ID spoofing, telling American carriers to implement the technology no later than 2019. Pai has sent letters to the CEOs of 14 voice providers to ask them to conjure up concrete plans to adopt the SHAKEN/STIR framework, which would validate legitimate calls across networks before they reach recipients. That would block spam and scam robocalls from going through, so you don't have to be wary of answering calls anymore. '
Can read more at the web link above.