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Hanover Park, Illinois Area Code |
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Hanover Park, IL Area Codes are 331 and 630 |
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Hanover Park, Illinois is currently assigned two area codes 331 and 630. Hanover Park, 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 Hanover Park 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 Hanover Park, 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 Hanover Park, IL area codes 331 and 630 serve the major communities of Addison, Aurora,
Bartlett, Batavia, Bensenville, Bloomingdale, Bolingbrook, Carol Stream, Darien, Downers Grove, Elmhurst, Glen Ellyn, Glendale Heights, 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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