Find the last 4 digits (ZIP+4) for an address in 21222

ZIP 21222, Dundalk, MD is filled in. Just type the street address.

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ZIP Code 21222 – Dundalk, MD

Dundalk, Maryland · Baltimore County · Eastern time

ZIP code21222
CityDundalk
StateMaryland
CountyBaltimore CountyBaltimore city
Population59,407
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area11.5 sq mi
Center (lat, long)39.2646, -76.4956

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21222 (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

21224 Baltimore · 2.6 mi21221 Essex · 3.7 mi21219 Sparrows Point · 4 mi21205 Baltimore · 4.5 mi21052 Fort Howard · 5.1 mi21226 Curtis Bay · 5.3 mi21237 Rosedale · 5.3 mi21231 Baltimore · 5.4 mi

About ZIP 21222

ZIP code 21222 is assigned to Dundalk, Maryland. It crosses 2 counties; most of its land is in Baltimore County. Its Census area covers about 11.5 square miles of land. The closest neighboring ZIP is 21224 (Baltimore), about 2.6 miles away.

Every address in 21222 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