ZIP Code 21212 – Baltimore, MD
Baltimore, Maryland · Baltimore city · Eastern time
| ZIP code | 21212 |
|---|---|
| City | Baltimore |
| State | Maryland |
| County | Baltimore cityBaltimore County |
| Population | 33,974 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 4.59 sq mi |
| Center (lat, long) | 39.3673, -76.6146 |
Area codes in this area
These are the area codes that most often serve ZIP 21212 (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
About ZIP 21212
ZIP code 21212 is assigned to Baltimore, Maryland. It crosses 2 counties; most of its land is in Baltimore city. Its Census area covers about 4.59 square miles of land. The closest neighboring ZIP is 21210 (Baltimore), about 1.3 miles away.
Every address in 21212 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