ZIP Code 21012
Arnold · Anne Arundel, Maryland
21012 is the ZIP code of Arnold in Anne Arundel, Maryland, United States.
- ZIP Code
- 21012
- County
- Anne Arundel
- State
- Maryland
- Country
- United States
Place with ZIP code 21012
| Place | County | Location |
|---|---|---|
| Arnold | Anne Arundel | 39.048, -76.494 |
Near Baltimore
The nearest major city is Baltimore, about 29 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21012?
Arnold.
Which county and state is 21012 in?
Anne Arundel, Maryland, United States.
What is the nearest major city to 21012?
Baltimore, about 29 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.