Area Code 920 in Wisconsin
Area Code 920 covers much of eastern Wisconsin. Area Code 920 was introduced in July 1997 when it was split off from Area Code 414. An additonal Area Code, 274 has been allocated as an overlay for Area Code 920, but is not expected to be required until 2031. Within Area Code 920 there are 119 towns and cities in 23 counties.
Area Code 920 currently has 691 active Exchange Codes, with the last being introduced on 1 December 2017, giving a total number pool of 4,330,000 numbers.
In this Area Code there are 828 telephone numbers that have been the subject of complaints to the FCC and 12383 telephone numbers that our research shows belong to legitimate businesses.