Find the last 4 digits (ZIP+4) for an address in 21029

ZIP 21029, Clarksville, MD is filled in. Just type the street address.

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ZIP Code 21029 – Clarksville, MD

Clarksville, Maryland · Howard County · Eastern time

ZIP code21029
CityClarksville
StateMaryland
CountyHoward County
Population13,607
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area16.92 sq mi
Center (lat, long)39.2136, -76.9594

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21029 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

21041 Ellicott City · 1.8 mi21150 Simpsonville · 1.8 mi20777 Highland · 2.7 mi21036 Dayton · 2.9 mi20862 Brinklow · 3.8 mi21737 Glenelg · 4.3 mi21044 Columbia · 4.3 mi20759 Fulton · 4.4 mi

About ZIP 21029

ZIP code 21029 is assigned to Clarksville, Maryland. It lies in Howard County. Its Census area covers about 16.92 square miles of land. The closest neighboring ZIP is 21041 (Ellicott City), about 1.8 miles away.

Every address in 21029 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources