630 Area Code: Cities, Time Zone and Zip Codes

What area code is 630? The area code 630 is located in Illinois and it serves Aurora, Naperville, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Carol Stream, Bartlett, Streamwood, Hanover Park, Addison, Glendale Heights, and some other surrounding cities. The area code 630 was created from area code 708 on August 9, 1994, and was first

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618 Area Code: Cities, Time Zone and Zip Codes

What area code is 618? The area code 618 is located in Illinois and it serves Belleville, Granite City, O’Fallon, Alton, East St. Louis, Carbondale, Collinsville, Edwardsville, Godfrey, Marion, Fairview Heights, and some other surrounding cities. Area code 618 was created on January 1, 1947 and was first put to use on January 1, 1947.

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