Rules for ZIP Code 19401
Norristown, PA · Montgomery County
ZIP 19401 is governed by the borough of Norristown, PA. We do not hold its code yet, and Montgomery County ordinances do not apply inside its limits.
ZIP code 19401 lies in the borough of Norristown, PA, which holds about 85% of the ZIP's residents and writes its own local code. We have not added Norristown's ordinances yet, so nothing is shown below: Montgomery County rules govern only unincorporated land and do not reach inside Norristown.
ZIP codes do not follow city lines. 19401 also covers:
- East Norriton Township~15% 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.
Norristown is not covered yet
The borough of Norristown writes its own code; the county's rules do not apply inside it.Request Norristown coverage →
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