Just got the call a little while ago, I answered and no said anything and then hung up a few seconds later.

I've gotten calls like this before, not from this number in particular, but if I answer they just hang up, or leave a voice mail message and not say anything. The message goes on for a few minutes and then someone hangs up.

It's pretty annoying, they've called while I was in class a bunch of times!

NO ANSWER!!! NO MESSAGE!!!!

no message; calls cell

you know about the internet?  you found a complaint board?  But you cannot find the address for a collection agency?   I just googled NCO and first thing that popped up was their website.  and you cannot find their address?  

Try www.budhibbs.com  - you will get a lesson in FDCPA and how to fight back - while looking at the NCO info he keeps updated.
CLICK ON THE NEVER NEVER NEVER NEVER to get to the Agencies to Avoid list.  You will also see them prominently displayed under the WORST COLLECTION AGENCY's Link

i got calls from this number twice a day as of now. since i did not recognize the number, plus it's out of my area code, i did neither pickup the call nor call back. it's frustrated anyway. I do not do any business with Capitol One. this number should stop calling people