Called cell phone and hung up after two rings just like everyone else's comments. No idea who it is but I never answer if the number is not saved in my cell phone.

Happened to me this morning.

called, no message.

It's a National prescription card telemarketer--trying to sell prescription cards... On the do not call list so they are just autodialing I presume

do any of you ever call a number back to see? I did. It's national benifits enrollment program.

Guess they are just identifiying active telephone numbers....

Got a call from this number. No voice message left.

I got a call on my cell.  It rang once.  I did not answer.  No message left.

Called, rang once, I answered no message.

3128597123 called my land line or cell line or Google Voice line.
I picked up land line after like two rings.
I heard dialtone.
no message.

Called, rang once. No message. I have a Google Voice number.

They called and hung up when i answered.  Probably to see if a live person answers.  Now you'll get text spammed.

called and hung up after one ring

Called cell phone on a saturday morning (10:15am), no message. I have a 773 area code and live out of state.

Called, rang twice, no message.

Called 10/7 7:14pm, left no message

Called, let ring twice and hung up, no message.

Called, rang once, no msg. 8:37pm. Does this number only dial (312) cell numbers?

I'm also job hunting, but I use a (414) GoogleVoice number for almost everything, so it wasn't because of that.

called left no message, I am on a job hunt via craigslist.  anyone else?

Called, rang once then hung up.

called, no message

Called my phone left no message 3:36pm

Called my cellphone - left no message

Called and left no message

Called cell phone left no message.  I think it's probably a scam

Is this another Spammer?