Members of Cape Cod District have a primary address in the cities of Barnstable, Bourne, Brewster, Chatham, Chilmark, Dennis, Eastham, Edgartown, Falmouth, Gay Head, Gosnold, Harwich, Harwich Port, Hyannis, Mashpee, Menemsha, Nantucket, Oak Bluffs, Orleans, Pocasset, Provincetown, Sandwich, Teaticket, Tisbury, Truro, Vineyard Haven, Waquoit Village, Wellfleet, West Tisbury, Yarmouth, Yarmouth Port