ZIP Code 21105 – Maryland Line, MD
Maryland Line, Maryland · Baltimore County · Eastern time
| ZIP code | 21105 |
|---|---|
| City | Maryland Line |
| State | Maryland |
| County | Baltimore County |
| Population | 36 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 0.09 sq mi |
| Center (lat, long) | 39.7151, -76.6523 |
Area codes in this area
These are the area codes that most often serve ZIP 21105 (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 21105
ZIP code 21105 is assigned to Maryland Line, Maryland. It lies in Baltimore County. Its Census area covers about 0.09 square miles of land. The closest neighboring ZIP is 17349 (New Freedom), about 2.1 miles away.
Every address in 21105 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