Postal reference / United States

21721Chewsville, Maryland

ZIP code 21721 is a United States postal code for Chewsville, Maryland. Its county association is Washington County. The map reference point is at 39.6425, -77.6372.

State / territory
Maryland
Recorded place name
Chewsville
County association
Washington
Estimated coordinate
39.6425, -77.6372
View on OpenStreetMap
ZIP prefix
217 · 66 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
21720CavetownMDWashington2.8
21742HagerstownMDWashington3.1
21783SmithsburgMDWashington3.6
21734FunkstownMDWashington4.3
21741HagerstownMDWashington4.4
21747HagerstownMDWashington4.4
21749HagerstownMDWashington4.4
21740HagerstownMDWashington5.4

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