news12 nj on xfinity in Phialdelphia area

I was visited my son in Trappe PA. He has xfinity. When I was channel hopping,  " I Saw a news broadcast for channel 12 nj, that I watch when I am at home in hackestown nj.  I am not sure what I was watching, because when I switched channels, I could not find the news 12 in the xfinity Phila area channel selections. I am not sure if I somehow just saw a brief report on Chedder TV or not.  Is there a channel on the Phila Pa Exfinity offerings that includes news12 nj.  We baby sit in the area frequently and I would like to watch if news12 is covered on one of the PHila offerings.  It may have been a one time, or one time period offering.

Thanks