I think it goes like this:
Zone 1 -- Polynesian, Grand Floridian, Contemporary, Fort Wilderness, Wilderness Lodge.
Zone 2 -- All Star, Animal Kingdom Lodge, Pop Century, Coronado Springs
Zone 3 -- Caribbean Beach, Port Orleans, Saratoga Springs, Old Key West
Zone 4 -- Boardwalk, Beach Club, Yacht Club,
Disney Cruise Line guests only at Swan and Dolphin.