Who called from 3604609246

Just got a call from them, didn't answer. They left no message.

Received a call from this number at 3:30pm 4/2/12.  I live in New Orleans.  Did not answer-did not recognize the number, figured it was spam.  No VM left.

Just got a call from this number and i didnt answer. No vm also.

call from this number at 2:16 PST today. did not answer, and no VM left.

Just got a call from the # 10 mins ago. Didn't answer. No VM. Tried to call back, thinking someone had the wrong number or it was an old friend, but no answer. Not even a busy signal. Just silence.