Postal reference / United States

21041Ellicott City, Maryland

ZIP code 21041 is a United States postal code for Ellicott City, Maryland. Its county association is Howard County. The map reference point is at 39.2364, -76.9419.

State / territory
Maryland
Recorded place name
Ellicott City
County association
Howard
Estimated coordinate
39.2364, -76.9419
View on OpenStreetMap
ZIP prefix
210 · 58 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.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Maryland

Browse the other 604 ZIP codes recorded for Maryland, sorted by code with place and county.

Maryland directory

Other ZIP codes in Ellicott City, MD

Ellicott City has 3 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
21150SimpsonvilleMDHoward0.0
21029ClarksvilleMDHoward1.7
21036DaytonMDHoward2.9
21044ColumbiaMDHoward3.7
20777HighlandMDHoward3.9
21794West FriendshipMDHoward4.1
21737GlenelgMDHoward4.4
21738GlenwoodMDHoward4.9

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

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup