{ zip. codes .tel }

ZIP Code 21042 — Ellicott City, MD

ZIP code 21042 serves Ellicott City, Maryland, within Howard County. It is part of area code 301, with population 39,243 and mean income of $168,623.

View ZIP codes in Maryland View area codes in Maryland

Location details

City
Ellicott City
County
Howard County
State
Maryland (MD)
Area code
301
Population
39,243
Mean income
$168,623
Coordinates
39.277180, -76.894600
Timezone
America/New York

Related ZIP codes in MD

Open state page
21234
Parkville, MD
20906
Silver Spring, MD
20878
Gaithersburg, MD
21215
Baltimore, MD
21122
Pasadena, MD
21740
Hagerstown, MD
20874
Germantown, MD
21117
Owings Mills, MD

About ZIP code 21042

ZIP code 21042 is a Standard ZIP in Ellicott City, Maryland. It is linked to area code 301 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.

The location coordinates are 39.277180, -76.894600, which can later be displayed on a map for better geographic context.

Location map

Map preview
Click to View the Map