Postal reference / United States

21163Woodstock, Maryland

ZIP code 21163 is a United States postal code for Woodstock, Maryland. Its county association is Baltimore County. The map reference point is at 39.3498, -76.8456.

State / territory
Maryland
Recorded place name
Woodstock
County association
Baltimore
Estimated coordinate
39.3498, -76.8456
View on OpenStreetMap
ZIP prefix
211 · 34 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.

Area

Land area
13.638 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
21133RandallstownMDBaltimore3.0
21244Windsor MillMDBaltimore3.4
21104MarriottsvilleMDCarroll3.8
21042Ellicott CityMDHoward5.4
21207Gwynn OakMDBaltimore6.1
21117Owings MillsMDBaltimore6.5
21208PikesvilleMDBaltimore6.5
21282PikesvilleMDBaltimore6.8

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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