http://www22.verizon.com/NROneRetai...8D-45FD-8CFE-48938EE3DB0B/0/NJ_SouthernNJ.pdf
That's the listing provided at the FIOS website. It only lists Philly stations but like you said there should be counties that get both Philly and NYC stations.
Here's Cablevisions setup for Monmouth:
2 WCBS New York (CBS)
3 WPXN New York (i)
4 WNBC New York (NBC)
5 WNYW New York (FOX)
6 WPVI Philadelphia (ABC)
7 WABC New York (ABC)
8 WNJT Trenton (PBS)
9 WWOR My9
10 WCAU Philadelphia (NBC)
11 WPIX CW11
12 News 12 New Jersey
13 WNET New York (PBS)
14 WYBE Philadelphia (PBS)
16 WNJU Linden (Telemundo)
17 WFUT Newark (Telefutura)
18 WXTV Paterson (Univision)
19 WPHL Philadelphia (My17)
20 WTXF Philadelphia (FOX)
21 WHYY Wilmington (PBS)
22 WNYE New York (PBS)
The website does not state it but I think the HD's come from NYC.
702 CBS HD
704 NBC HD
705 FOX HD
707 ABC HD
709 My9 HD
711 CW HD
713 Thirteen HD