Who called from 5093811818

Calls about a payday loan from a company I have never heard of. Calls multiple times in a row.

No response when call answered.

I have received 2 calls today from this 509 381 1818.  I did not answer and they left no message.  I don't know anyone with this number.
Please take me off your call list!

recieved 2 calls from 509-381-1818 and no one answered, called back to back in the same 2 minutes, The caller never said a word, just ring and hung up

Have had several calls from 509-381-1818 on my cell phone. I don't know anyone with this number so I didn't answer the phone. I'm on the national and state do not call list, so why aren't these people being dealt with by authorities?