ZIP code · Darlington · Maryland · United States
ZIP code 21034 — Darlington
ZIP code 21034 serves Darlington, Maryland.
- Postal code
- 21034Single source Value from one source, not cross-checked.
- City
- Darlington
- County
- Harford
- State
- Maryland
- Country
- United States
- Coordinates
- 39.6540, -76.2278 — precision precise (locality)
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Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page