Zone 7 is the county of York in Ontario, Canada. Its boundaries
extend from Lake Ontario (Toronto) in the south to the southern tip of
Lake Simcoe (Keswick) in the north and from Etobicoke in the west to
Scarborough in the east.
Cities/Towns located in Zone 7:
Aurora
Etobicoke
Keswick
Markham
Mt. Albert
Newmarket
Richmond Hill
Scarborough
Stouffville
Thornhill
Toronto
Vaughan