Rules for ZIP Code 20812
Glen Echo, MD · Montgomery County
ZIP 20812 is governed by the town of Glen Echo, MD. We do not hold its code yet, and Montgomery County ordinances do not apply inside its limits.
ZIP code 20812 lies in the town of Glen Echo, MD, which holds about 57% of the ZIP's residents and writes its own local code. We have not added Glen Echo's ordinances yet, so nothing is shown below: Montgomery County rules govern only unincorporated land and do not reach inside Glen Echo.
ZIP codes do not follow city lines. 20812 also covers:
- unincorporated Montgomery County~43% of residents
- Brookmont (community)~32% of residents
- Cabin John (community)~11% 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.
Glen Echo is not covered yet
The town of Glen Echo writes its own code; the county's rules do not apply inside it.Request Glen Echo coverage →
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