Find the last 4 digits (ZIP+4) for an address in 21920

ZIP 21920, Elk Mills, MD is filled in. Just type the street address.

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ZIP Code 21920 – Elk Mills, MD

Elk Mills, Maryland · Cecil County · Eastern time

ZIP code21920
CityElk Mills
StateMaryland
CountyCecil County
Population1,413
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.99 sq mi
Center (lat, long)39.6562, -75.8410

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21920 (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

21916 Childs · 1.8 mi21921 Elkton · 2.2 mi21922 Elkton · 3.4 mi19351 Lewisville · 4.9 mi19717 Newark · 5.1 mi19716 Newark · 5.1 mi19360 New London · 5.6 mi19347 Kemblesville · 6.5 mi

About ZIP 21920

ZIP code 21920 is assigned to Elk Mills, Maryland. It lies in Cecil County. Its Census area covers about 0.99 square miles of land. The closest neighboring ZIP is 21916 (Childs), about 1.8 miles away.

Every address in 21920 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