{ zip. codes .tel }

ZIP Code 21758 — Knoxville, MD

ZIP code 21758 serves Knoxville, Maryland, within Frederick County. It is part of area code 301, with population 4,909 and mean income of $104,257.

View ZIP codes in Maryland View area codes in Maryland

Location details

City
Knoxville
County
Frederick County
State
Maryland (MD)
Area code
301
Population
4,909
Mean income
$104,257
Coordinates
39.353200, -77.656810
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 21758

ZIP code 21758 is a Standard ZIP in Knoxville, 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 39.353200, -77.656810, which can later be displayed on a map for better geographic context.

Location map

Map preview
Click to View the Map