Area codes 618 and 730 - Wikipedia
https://en.wikipedia.org:443/wiki/Area_codes_618_and_730
WebArea codes 618 and 730 are telephone area codes in the North American Numbering Plan (NANP) for southern Illinois. The numbering plan area (NPA) comprises one hundred and twenty-six municipalities, such as Carbondale, Cairo, Belleville, East St. Louis, Edwardsville, Marion, O'Fallon, Alton, Mt. Vernon, Centralia, Herrin, Salem, Metropolis ...
DA: 23 PA: 100 MOZ Rank: 53