Rules for ZIP Code 21740
Hagerstown, MD · Washington County
ZIP 21740 is governed by the city of Hagerstown, MD. We do not hold its code yet, and Washington County ordinances do not apply inside its limits.
ZIP code 21740 lies in the city of Hagerstown, MD, which holds about 56% of the ZIP's residents and writes its own local code. We have not added Hagerstown's ordinances yet, so nothing is shown below: Washington County rules govern only unincorporated land and do not reach inside Hagerstown.
ZIP codes do not follow city lines. 21740 also covers:
- unincorporated Washington County~44% of residents
- Halfway (community)~13% 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.
Hagerstown is not covered yet
The city of Hagerstown writes its own code; the county's rules do not apply inside it.Request Hagerstown coverage →
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