To ensure a continuing supply of telephone numbers, the Illinois Commerce Commission has approved an all-services overlay for the 708 area code. The 708 area code serves most of western and southern Cook County and eastern and southern Will County, including cities and communities such as Alsip, Beecher, Bellwood, Berwyn, Blue Island, Bridgeview, Broadview, Burbank, Calumet City, Chicago Heights, Chicago Ridge, Country Club Hills, Crest Hill, Crete, Dolton, Elmwood Park, Evergreen Park, Flossmoor, Forest Park, Glenwood, Harvey, Harwood Heights, Hazel Crest, Hickory Hills, Homewood, Justice, La Grange, Lansing, Lyons, Markham, Matteson, Maywood, Melrose Park, Midlothian, Mokena, Norridge, Northlake, Oak Forest, Oak Lawn, Oak Park, Orland Park, Palos Hills, Palos Park, Park Forest, Richton Park, River Forest, River Grove, Riverdale, South Holland, Steger, Tinley Park, Westchester, Western Springs and Worth. The new 464 NPA will serve the same geographic area currently served by the 708 area code.