Called and left a message when I sent it to voicemail. Checked the voicemail later and it was a recording: "Press 1 now to speak to a--" then got cut off.
It's probably a health insurance company....as soon as you complete one of those instant quotes and mistakenly leave a legitimate phone number (which unfortunately I did) every health insurance company in America will call you. They don't leave a message because they do not want to talk to a machine they want to you and even if they left a message they know you will not call them back.