I did not answer, they did not leave a message.  Identified as blocked caller

Marketing call. If you call it back it just says press 1 to remove your number. That probably confirms you're a real number and adds you to 300 other lists but your only other option is to block it and get repeated blocked call notices from your carrier.

Called. Left no message. Scary.

Pennsylvania?
I am in Ontario, who wants me there?
Tired of marketers and scammers.

SEO scan, aka notgoogle.