New Wisconsin area code 274

A relief plan was approved back in 2008 for area code 920 of Wisconsin, USA. This area code covers the Eastern part of the state with larger cities such as Green Bay, Oshkosh or Sheboygan. The same geographic area will also be served by the new NPA 274 which will overlay NPA 920 starting March 10, 2012. A longer than usual permissive 10 digit dialing period will start on May 14, 2011 and end on February 11, 2012 when the 10 digit dialing will become mandatory.

See Nanpa announcement and detailed map for the newly introduced overlay area (in PDF)

The introduction of area code 274 has been postponed for February 22, 2014.

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