IN - Brook, Cedar Lake, Chesterton, Crown Point, Demotte, Dyer, East Chicago, Francesville, Gary, Goodland, Hammond, Hanna, Hebron, Highland, Hobart, Kentland, Kouts, La Crosse, La Porte, Lake of the Four Seasons, Lake Station, Lake Village, Lowell,Medaryville, Merrillville, Michigan City, Monon, Morocco, Mount Ayr, Portage, Remington, Rensselaer, Reynolds, Rolling Prairie, Roselawn, St. John, San Pierre, Union Mills, Valparaiso, Wanatah, Westville, Wheatfield, Wheeler, Whiting, Wolcott; towns listed in red were originally slated to change to 574, but the boundary was moved.
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