Who called from 9032004358

Calls nonstop, refuses to identify themselves and when told the person they are asking for is not at here they get rude and hang up.

Also calls from 903-200-4360. I don't answer calls from numbers that I don't know. They never leave a message, so the cycle continues. I thought they were not allowed to call before 8 am, but they call as early as 7-7:30, even on weekends. I've blocked the number, so my phone automatically rejects the number and doesn't ring, but its gone beyond harassment.