Cedar Lake, IN (46303) - Crown Point, IN (46307, 46308) - Dyer, IN (46311) - East Chicago, IN (46312) - Gary, IN (46402,46403,46404,40405,46406,46407,46408,46409)-Griffith, IN (46319) - Hammond, IN (46320, 46323, 46324, 46325, 46327) - Munster, IN (46321) - Highland, IN (46322) - Hobart, IN (46342) - Lowell, IN (46356) - Saint John, IN (46373) - Schererville, IN (46375) - Whiting, IN (46394) - Gary, IN (46401, 46402, 46403, 46404, 46406, 46407, 46408, 46409) - Lake Station, IN (46405) - Merrillville, IN (46410, 46411), Portage, IN (46368) - Valparaiso, IN (46383, 46385)