Who called from 8188564646

Got the call - we NEVER answer UNKNOWN calls.  We NEVER call the number back.  No message left.
Called at 2:55pm - Blocked at 2:56pm.
Please purchase a call blocking phone (Panasonic) or a blocking device that can block entire area codes and partial phone numbers (D*gitone) - we have both.
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Called, I answered,  but no one spoke.

This was a robocall with a recording from some home protection services company.

Called my cell.  I was expecting a call so I picked up.  Nothing.  Now blocked.

Same here, I don't answer and they never leave a message