ZIP Code 21030
Cockeysville · Baltimore, Maryland
21030 is the ZIP code of Cockeysville in Baltimore, Maryland, United States.
- ZIP Code
- 21030
- County
- Baltimore
- State
- Maryland
- Country
- United States
Place with ZIP code 21030
| Place | County | Location |
|---|---|---|
| Cockeysville | Baltimore | 39.492, -76.668 |
Near Baltimore
The nearest major city is Baltimore, about 23 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21030?
Cockeysville.
Which county and state is 21030 in?
Baltimore, Maryland, United States.
What is the nearest major city to 21030?
Baltimore, about 23 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.