ZIP code · Marriottsville · Maryland · United States

ZIP code 21104 — Marriottsville

Name: Marriottsville (21104)
Address: Maryland, 21104, US

ZIP code 21104 serves Marriottsville, Maryland.

Postal code: 21104
Single source Value from one source, not cross-checked.
City: Marriottsville
County: Carroll
State: Maryland
Country: United States
Coordinates: 39.3342, -76.9132 — precision precise (locality)
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Nearby localities

21163Woodstock · 6.1 km
21794West Friendship · 6.4 km
21723Cooksville · 8.0 km
21042Ellicott City · 8.2 km
21738Glenwood · 11 km
21133Randallstown · 11 km
21244Windsor Mill · 11 km
21041Ellicott City · 11 km
21150Simpsonville · 11 km
21737Glenelg · 13 km

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