Find the last 4 digits (ZIP+4) for an address in 21044

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ZIP Code 21044 – Columbia, MD

Columbia, Maryland · Howard County · Eastern time

ZIP code21044
CityColumbia
StateMaryland
CountyHoward County
Population44,114
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area11.89 sq mi
Center (lat, long)39.2053, -76.8787

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21044 (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

21045 Columbia · 2.7 mi21046 Columbia · 3.2 mi21041 Ellicott City · 4 mi21150 Simpsonville · 4 mi21029 Clarksville · 4.4 mi20759 Fulton · 4.5 mi20723 Laurel · 4.7 mi21042 Ellicott City · 5 mi

About ZIP 21044

ZIP code 21044 is assigned to Columbia, Maryland. It lies in Howard County. Its Census area covers about 11.89 square miles of land. The closest neighboring ZIP is 21045 (Columbia), about 2.7 miles away.

Every address in 21044 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