Find the last 4 digits (ZIP+4) for an address in 21120

ZIP 21120, Parkton, MD is filled in. Just type the street address.

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ZIP Code 21120 – Parkton, MD

Parkton, Maryland · Baltimore County · Eastern time

ZIP code21120
CityParkton
StateMaryland
CountyBaltimore County
Population7,440
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area42 sq mi
Center (lat, long)39.6462, -76.6749

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21120 (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

21053 Freeland · 4.1 mi21105 Maryland Line · 4.9 mi21161 White Hall · 5.9 mi21152 Sparks Glencoe · 6.3 mi21111 Monkton · 6.7 mi17349 New Freedom · 6.9 mi17355 Railroad · 7.9 mi17361 Shrewsbury · 8.3 mi

About ZIP 21120

ZIP code 21120 is assigned to Parkton, Maryland. It lies in Baltimore County. Its Census area covers about 42 square miles of land. The closest neighboring ZIP is 21053 (Freeland), about 4.1 miles away.

Every address in 21120 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