Rules for ZIP Code 53548
Janesville, WI · Rock County
ZIP 53548 is governed by the city of Janesville, WI. We do not hold its code yet, and Rock County ordinances do not apply inside its limits.
ZIP code 53548 lies in the city of Janesville, WI, which holds about 73% of the ZIP's residents and writes its own local code. We have not added Janesville's ordinances yet, so nothing is shown below: Rock County rules govern only unincorporated land and do not reach inside Janesville.
ZIP codes do not follow city lines. 53548 also covers:
- town of Janesville~13% of residents · not covered yet
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
Janesville is not covered yet
The city of Janesville writes its own code; the county's rules do not apply inside it.Request Janesville coverage →
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