Lake Koshkonong, Wisconsin
Area codes 274, 920 · Population: 1,204
Central (CT)
Wisconsin
Pop. 1,204
Area Codes Serving Lake Koshkonong
About Lake Koshkonong, Wisconsin
Lake Koshkonong is a city in Wisconsin that is served by area codes 274, 920. The city has a population of approximately 1,204 residents and is located in the Central Time Zone.