Find the last 4 digits (ZIP+4) for an address in 21251

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ZIP Code 21251 – Baltimore, MD

Baltimore, Maryland · Baltimore city · Eastern time

ZIP code21251
CityBaltimore
StateMaryland
CountyBaltimore city
Population191
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.12 sq mi
Center (lat, long)39.3499, -76.5802

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21251 (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

21214 Baltimore · 0.9 mi21239 Baltimore · 1.1 mi21218 Baltimore · 1.8 mi21212 Baltimore · 2.2 mi21206 Baltimore · 2.3 mi21213 Baltimore · 2.4 mi21210 Baltimore · 3 mi21285 Towson · 3.3 mi

About ZIP 21251

ZIP code 21251 is assigned to Baltimore, Maryland. It lies in Baltimore city. Its Census area covers about 0.12 square miles of land. The closest neighboring ZIP is 21214 (Baltimore), about 0.9 miles away.

Every address in 21251 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