The state of Wisconsin is East North Central state and the standard time zone followed by the state is Central Time Zone. There are total five area codes providing telephone services throughout the state.
It was created on 25th September 1999 for providing numbering relief to area code 414. It was created as a result in split of area code 414. It serves the Southeast regions of the Wisconsin.
This is one of the original area codes assigned to the State of Wisconsin under NANP (North American Numbering Plan). The State was allocated with two original area codes: area code 414and 715. All areas located at the Eastern and Southern region of the State were allocated with the 414 area code.
It is providing telephone services in the Southwest regions of the state. This area code serves the Southwest regions particularly the Capital City of Madison of Wisconsin State.
This is one of the original area codes created in 1947. It was projected that this area code will run out of available phone numbers by 2011 and deal with the problem it has been planned to overlay the area with code 534.
It was created on 26th July 1997 for providing numbering relief to the 414 area code. Area code is providing telephone services in majority Eastern areas of the state. It is expected that the code 920 will get exhausted in 2010.