ZIP codes in Janesville, Wisconsin
Janesville has 4 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 53545 | Rock | 64,123 | America/Chicago |
| 53546 | Rock | 64,123 | America/Chicago |
| 53547 | Rock | 64,123 | America/Chicago |
| 53548 | Rock | 64,123 | America/Chicago |
About Janesville ZIP codes
ZIP codes in Janesville are part of the USPS delivery network for Wisconsin. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 64,123.