City · Maryland · United States

Ellicott City, MD — ZIP codes

3 ZIP codes · Howard County

City: Ellicott City
County: Howard
State: Maryland
Country: United States
Postal codes: 210412104221043
Single source
Coordinates: 39.2364, -76.9419 View on OpenStreetMap

ZIP codes (3)

Postal code	Place name	Verification
21041	Ellicott City	Single source
21042	Ellicott City	Single source
21043	Ellicott City	Single source

Sources and verification

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. Last generated : 2026-08-21. Report an error.