I've gotten a couple of hang ups on my answering machine with a corresponding caller ID of Rodale Press for this number.  I suspect that this might be spoofed.

I'm also on the DNC list. That 866-432-4100  phone number you suggested goes to a company called "Dial America", which not surprisingly, is a telemarketing firm with God knows how many clients. Rodale Press is just one of them. It's the weekend, so I could not get anyone on the phone, but I'll give them a call on Monday. I've had 13 calls from Rodale Press at 201-215-1700 in the last two weeks. They were told the first call not to call back. Now I'll try your suggestion of calling 866-432-4100 and if there are any more calls, I'll file complaints with the FCC at http://esupport.fcc.gov/complaints.htm. I have internet telephone service via PhonePower, and I am able to download the phone logs, so I have precise documentation of when these fools called. So if you're able to, file your complaints with the FCC online, and fax them a copy of the phone logs like I will. Also, most states have a state equivalent of the FCC consumer complaint web site. Most likely, you'll find a link to file complaints against telemarketers if you go to your state attorney general's website. In PA, that would be http://dnc.attorneygeneral.gov/verification.aspx.

These people should be sued. They keep calling even if I asked them not call back because I was not interested in whatever they are selling.

Unwanted unsolicited number keeps calling me

Yup, every day at least once.