This may be a scam. They are looking for my son to renew his Popular Science magazine. The clues are: UNKNOWN NAME, attempting to renew a recent subscription, not having the subscription number on file, and calling twice from different numbers (205-387-2159). More on this when I finishing researching ...
This company is definitely a scam. They wanted to sell me a subscription to Shutterbug for less than $2 an issue; when I said to send me an email, the woman who called slammed down the call.