Rules for ZIP Code 19010
Bryn Mawr, PA · Delaware County
ZIP 19010 is governed by Lower Merion Township, PA. We do not hold its code yet, and Delaware County ordinances do not apply inside its limits.
ZIP code 19010 lies in Lower Merion Township, PA, which holds about 43% of the ZIP's residents and writes its own local code. We have not added Lower Merion's ordinances yet, so nothing is shown below: Delaware County rules govern only unincorporated land and do not reach inside Lower Merion.
ZIP codes do not follow city lines. 19010 also covers:
- Radnor Township~40% of residents · not covered yet
- Haverford Township~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.
Lower Merion is not covered yet
Lower Merion Township writes its own code; the county's rules do not apply inside it.Request Lower Merion coverage →
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