About Illinois Area Code 618
The
618 area code includes Illinois cities Alton, Belleview, Belleville, Benton, Carbondale, Carmi, Centralia, Chester, Collinsville, Du Quoin, East St. Louis, Fairfield, Granite City, Harrisburg, Highland, Jerseyville, Marlon, Metropolis, Mt. Carmel, Mt. Vernon, Newton, Robinson, Salem, Vandalia.
Nearby area codes are
217,
314,
573,
636,
730 and
812.
Search for a phone number:
618 Area Code Exchanges 856-909:
618-856-xxxx 618-857-xxxx 618-858-xxxx 618-859-xxxx 618-860-xxxx 618-861-xxxx 618-862-xxxx 618-863-xxxx 618-864-xxxx 618-865-xxxx 618-866-xxxx 618-867-xxxx 618-868-xxxx 618-869-xxxx 618-870-xxxx 618-871-xxxx 618-872-xxxx 618-873-xxxx 618-874-xxxx 618-875-xxxx 618-876-xxxx 618-877-xxxx 618-878-xxxx 618-879-xxxx 618-880-xxxx 618-881-xxxx 618-882-xxxx 618-883-xxxx 618-884-xxxx 618-885-xxxx 618-886-xxxx 618-887-xxxx 618-888-xxxx 618-889-xxxx 618-890-xxxx 618-891-xxxx 618-892-xxxx 618-893-xxxx 618-894-xxxx 618-895-xxxx 618-896-xxxx 618-897-xxxx 618-898-xxxx 618-899-xxxx 618-900-xxxx 618-901-xxxx 618-902-xxxx 618-903-xxxx 618-904-xxxx 618-905-xxxx 618-906-xxxx 618-907-xxxx 618-908-xxxx 618-909-xxxx