Rules for ZIP Code 62018
Cottage Hills, IL · Madison County
ZIP 62018 is governed by the city of Alton, IL. We do not hold its code yet, and Madison County ordinances do not apply inside its limits.
ZIP code 62018 lies in the city of Alton, IL, which holds about 37% of the ZIP's residents and writes its own local code. We have not added Alton's ordinances yet, so nothing is shown below: Madison County rules govern only unincorporated land and do not reach inside Alton.
ZIP codes do not follow city lines. 62018 also covers:
- village of East Alton~25% of residents · not covered yet
- village of Bethalto~18% of residents · not covered yet
- unincorporated Madison County~20% of residents
- Rosewood Heights (community)~18% of residents
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.
Alton is not covered yet
The city of Alton writes its own code; the county's rules do not apply inside it.Request Alton coverage →
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