Who called from 7402180328

This number keeps calling but leaves no messages. Another site lists as suspected spam.

It's listed as a suspected survey but no company is associated with the number.

Call back gets, "Thank you for calling Aspen Media and Market Research."  The message then goes on to give you a list of "press this number for..."  One of the choices is to talk to a rep as to why they called you.  Here's an 800notes forum on another number this company uses:
http://800notes.com/Phone.aspx/1-303-786-9500/6

Call 3 times a day for last 2 days. Only rings twice. No message.

So glad someone knew who this was. Called here, no message left as usual. New numbers being used everyday, so at times I don't know who they are anymore.