Area Code 920 was created on 26th July 1997 for providing numbering relief to area code 414. The Code 920 serves the majority Eastern areas of the state of Wisconsin. It has been estimated that the code 920 will get exhausted in 2010. It is in plan to add an overlay area code 274 to the code 920 in case if the code 920 runs out the available phone numbers. The state of Wisconsin is East North Central state of United States. The East North Central Division consists of following five states:
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