Rules for ZIP Code 08520
Hightstown, NJ · Mercer County
ZIP 08520 is governed by East Windsor Township, NJ. We do not hold its code yet, and Mercer County ordinances do not apply inside its limits.
ZIP code 08520 lies in East Windsor Township, NJ, which holds about 77% of the ZIP's residents and writes its own local code. We have not added East Windsor's ordinances yet, so nothing is shown below: Mercer County rules govern only unincorporated land and do not reach inside East Windsor.
ZIP codes do not follow city lines. 08520 also covers:
- borough of Hightstown~17% 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.
East Windsor is not covered yet
East Windsor Township writes its own code; the county's rules do not apply inside it.Request East Windsor coverage →
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