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Carol Stream, Illinois Area Code |
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Carol Stream, IL Area Codes are 331 and 630 |
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Carol Stream, Illinois is currently assigned two area codes 331 and 630. Carol Stream, IL utilizes an area code
overlay in which area codes 331 and 630 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary in Carol Stream because two different homes in the same geographic area
can have the same seven digit phone number but each would have a different area code. The area code overlay which is in use in Carol Stream, IL today was put into service on October 7, 2007 when area code
331 was created as an overlay of area code 630. Area code 630 was put into service in 1996.
In addition to Carol Stream, IL area codes 331 and 630 serve the major communities of Addison, Aurora,
Bartlett, Batavia, Bensenville, Bloomingdale, Bolingbrook, Darien, Downers Grove, Elmhurst, Glen Ellyn, Glendale Heights, Hanover Park, Lisle, Lombard, Naperville, Roselle, St. Charles, Streamwood, Villa
Park, West Chicago, Westmont, Wheaton and Woodridge. |
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Illinois Area Codes |
217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872 |
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