A bit old, and some of these may have (or will eventually be) closed, but:

BOS: 767, 737
DCA: 737, 80
DFW: 777,767,737,80
LAX: 777, 767, 737, 80
LAX(SAN): 737, 80
LGA(JFK/EWR): 777, 767, 737, 80
MIA: 777, 767, 737
ORD: 777, 767, 737, 80
SLT(STL): 767, 80

Copy/pasted from another thread. Since it was posted, A320 has been added to LGA, DFW, and perhaps one or two other domiciles.