Rules for ZIP Code 21078
Havre De Grace, MD · Harford County
ZIP 21078 is governed by the city of Havre de Grace, MD. We do not hold its code yet, and Harford County ordinances do not apply inside its limits.
ZIP code 21078 lies in the city of Havre de Grace, MD, which holds about 53% of the ZIP's residents and writes its own local code. We have not added Havre de Grace's ordinances yet, so nothing is shown below: Harford County rules govern only unincorporated land and do not reach inside Havre de Grace.
ZIP codes do not follow city lines. 21078 also covers:
- unincorporated Harford County~44% 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.
Havre de Grace is not covered yet
The city of Havre de Grace writes its own code; the county's rules do not apply inside it.Request Havre de Grace coverage →
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