I believe it has something to do with craigslist. I think its a bot generated when you put you whole number in the description rather than a strange anogram or something.
Call came to my cell phone. Cell numbers are not listed, so how are unknown people calling my cell. There are very few people and businesses that have the number. I do not know anyone in New Jersey. My phone rings 4 times then it goes to voicemail if I don't answer. I didn't answer, but there was no voicemail from who ever this is. I also get calls from unknown numbers in Puerto Rico, I do not know anyone in Puerto Rico.