Find the last 4 digits (ZIP+4) for an address in 21210

ZIP 21210, Baltimore, MD is filled in. Just type the street address.

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ZIP Code 21210 – Baltimore, MD

Baltimore, Maryland · Baltimore city · Eastern time

ZIP code21210
CityBaltimore
StateMaryland
CountyBaltimore cityBaltimore County
Population14,134
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.45 sq mi
Center (lat, long)39.3576, -76.6350

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21210 (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

21212 Baltimore · 1.3 mi21209 Baltimore · 1.9 mi21211 Baltimore · 2 mi21285 Towson · 2.3 mi21239 Baltimore · 2.6 mi21218 Baltimore · 2.6 mi21215 Baltimore · 2.6 mi21252 Towson · 2.8 mi

About ZIP 21210

ZIP code 21210 is assigned to Baltimore, Maryland. It crosses 2 counties; most of its land is in Baltimore city. Its Census area covers about 3.45 square miles of land. The closest neighboring ZIP is 21212 (Baltimore), about 1.3 miles away.

Every address in 21210 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