Find the last 4 digits (ZIP+4) for an address in 21034

ZIP 21034, Darlington, MD is filled in. Just type the street address.

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ZIP Code 21034 – Darlington, MD

Darlington, Maryland · Harford County · Eastern time

ZIP code21034
CityDarlington
StateMaryland
CountyHarford County
Population2,846
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area26.67 sq mi
Center (lat, long)39.6406, -76.2231

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21034 (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

21918 Conowingo · 3.6 mi21028 Churchville · 5.3 mi21160 Whiteford · 6.1 mi21917 Colora · 7 mi21078 Havre De Grace · 7.1 mi21154 Street · 7.4 mi21015 Bel Air · 7.6 mi21904 Port Deposit · 8.4 mi

About ZIP 21034

ZIP code 21034 is assigned to Darlington, Maryland. It lies in Harford County. Its Census area covers about 26.67 square miles of land. The closest neighboring ZIP is 21918 (Conowingo), about 3.6 miles away.

Every address in 21034 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