Who called from 2013126418

I answered, they were silent and then hung up

called when I was at work around 2pm est. No message, sent text no response.

They called me around 1:00CDT.
Rang once, then disconnected.
No voicemail left.

Called at 1:46pm PST no voicemail left.

Just received a call with no voicemail 3/30/15 9:45pm cdt. I blocked my number and called back, it is a recording about winning a $100 gift card for use at various locations. I did NOT press 1 to receive it. LoL.. Most certainly a SCAM! Run far away!