Who called from 3175505598

I received 10 phone calls so far and it is only 12:00 pm  February 12, 2015.  Yesterday,  Wednesday February 11,2015 was about seven to eight calls.   This is harassment from the number listed above, 317 550 5598 .   I called operator yesterday to put a block on two numbers yesterday 317 550 5571 and 765  637 0794 that was calling continually throughout the week.  And, somehow the block didn't work.  This is literally giving me some health problems..........thank you .

i keep getting calls from this number and no one leaves a message on my answering service nor does anyone speak if I pick up the phone to answer by the fourth ring.  Scammers or telemarketers?

I tried calling it back and there was a prompt asking for my social security number with not explanation of who they are...... Yeah I hung up!

This is Navient (Sallie Mae) collections.

Same thing -- multiple calls daily.  Never leaves a message.