Rules for ZIP Code 18087
Trexlertown, PA · Lehigh County
ZIP 18087 is governed by Upper Macungie Township, PA. We do not hold its code yet, and Lehigh County ordinances do not apply inside its limits.
ZIP code 18087 lies in Upper Macungie Township, PA, which holds about 86% of the ZIP's residents and writes its own local code. We have not added Upper Macungie's ordinances yet, so nothing is shown below: Lehigh County rules govern only unincorporated land and do not reach inside Upper Macungie.
ZIP codes do not follow city lines. 18087 also covers:
- Lower Macungie Township~14% 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.
Upper Macungie is not covered yet
Upper Macungie Township writes its own code; the county's rules do not apply inside it.Request Upper Macungie coverage →
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