Who called from 4178002388

No one I know in this area code.
No message.

Assumed cold call telemarketer.

Received a call from this number on my cell phone.  When I answered, there was a click and it started to ring as if I had called them.  Hung up after several rings.
Unknown number from Missouri.

3 calls in past 2 days on cell.  Never answer and have blocked - they just call back on different # and unknown.
#''s used 417-2388,  417-800-2876 & 417-800-2892

One call from this number and one from 417-800-2876 (no message left).

They wanted to give a free home security system.  Obviously a suspicious call.