called at 5:45 sunday eve.  I didn't answer

Tired of strange numbers with no messages

Received call from 302 330 8405.  Decided against better judgement to see who was calling, so answered on 2nd ring.  Nobody on the other end.  Number added to blocked list!

I received a call from this unknown number, when I answered no one responded to hello after stated twice.

Do a search on call blocking devices and phones.If its a cell phone, there are free call blocking apps out there including trac & straight talk.
http://800notes.com/forum/ta-5d4e343675a5629/call-blocking-devices
Report your callers here, not just to the DNC alone:
Federal:
https://www.ftccomplaintassistant.gov/#&panel1-1
https://consumercomplaints.fcc.gov/hc/en-us
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2

By State DNC lists:
http://800notes.com/res/DoNotCall.aspx

FCC Abandoned Calls Complaint form:
http://www.fcc.gov/cgb/consumerfacts/1088D-R.pdf
email:  fccinfo@fcc.gov

To file complaints on Foreign company's and scams:
• Read up on it here:
http://800notes.com/forum/ta-d20d86fdc3e145c/reporting-international-scams
• https://www.econsumer.gov/#crnt
eConsumer.gov: Report Your Complaint
E-mail: econsumerwb@ftc.gov