Folks - STOP ANSWERING THESE CALLS! It's really that simple.
And don't call them back and don't press "2."
Purchase a call blocking phone or a blocking device that can block phone numbers as well as COMPLETE AREA CODES!
We use the Di*it**e call blocker on both our business lines and on our home line.
We have had the 508 area code blocked for over 2 years. No calls can come from the 508 or any of the 250 other area codes we have blocked. Our phones do not ring - not even once.
Have friends or business in the 508? Simply "invite" their number into your blocker - they can ring right through.