WCA Subscriber database. I called the number back since there was no voice mail left. You have the option if they keep bothering you to unsubscribe. SPAM!!!!! I looked up this service and find a lot of not so good things about them..
Yup. Called me out here in Portugal through Vonage. Looks like some company sold our phone numbers! I didn't answer since CID said "Unknown". They didn't leave a message.