An area code belonging to the western Chicago suburbs refered to by residents as "the dirty six-thirty". Towns included in the 630 include: Addison,
Aurora, Bartlett, Batavia, Bensenville, Bloomingdale, Bolingbrook, Carol Stream, Clarendon Hills, Darien, Downers Grove, Elmhurst, Geneva, Glen Ellyn, Glendale Heights, Hanover
Park, Hinsdale, Itasca, Lemont, Lisle, Lombard, Naperville, Oak Brook, Oswego, Roselle, St. Charles, Streamwood, Villa Park, Warrenville, West
Chicago, Westmont, Wheaton, Willowbrook, Winfield, Wood
Dale, Woodridge, Yorkville.
It's a virtual Sodom and Gomorrah.