If you have a landline and want to block calls like this get your self a panasonic cordless phone. There phones have a program in them were you can block all kinds of calls. I have a set of the phones and I block every call so now no one calls.
Same as above - I didn't answer the phone (I was at work) and when I called back the number was no longer in service. I applied for an online loan a couple of weeks ago and my information was apparently forwarded through partner after partner after partner from the company with whom I applied, or somehow it was hacked. Since then, I have received call after call after call (and your should see the spam in my email!) for payday loans, debt consolidation, go back to school, grant offers, male enhancement, etc. So, I've simply started a contact on my cell phone called "SPAM" and just add these numbers to that contact so it doesn't ring and annoy me. The scariest part of the whole thing is that they also got my bank account information and I ended up with several unauthorized charges to my account, but we've got that taken care of now - they can't charge me if the bank account is no good!
most of the time these numbers come from companies buying phone numbers from companies you had contact with at one point in time. If you applied or inquired about payday loans online, schools so forth. If you need a payday loan its best to go thru a local one in the community just walk in instead of online it could be dangerous and those online payday loan companies ask for you bank account info in advance so just beware and don't do it if at all possible.