these people will not stop calling me

Got 4 calls in a row.

These people called claiming they were 911 and said we called them.

Call on my PRIVATE, pay as I go cell.  No VM set up, so they cannot leave a message.  Have been getting a lot of these 413 calls on ALL our phones including 413-377-2808 (SEVEN call since 3/17/14) and 413-777-5929 (FIFTEEN CALLS since Fri 3/21; it is now Sunday, 3/23.)  NON of these numbers are known to us and they seem to be VERY SHADY.  We are in the 413 area code, but in a different county for ALL of these calls are long distance to us.

Called again tonight at 8PM.  I hit 'reject.'