Janesville Zip Codes - Bremer County IA

Janesville, IA Zip Code Map

Janesville, IA is a city located in Bremer County, Iowa and has a land area of 30.40 square miles (78.74 km2). The water area for the city is 0.61 square miles or 1.58 km2. There is one unique zip code in Janesville, Iowa and it is 50647. The area code(s) for Janesville is 319.

Zip Codes for Janesville, IA (1)

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50647 Janesville Bremer

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