ZIP Code 21012 – Arnold, Maryland
The 21012 ZIP Code belongs to Arnold, Maryland. The population in this 21012 ZIP code is 22,306. The latitude is 39.04529 and longitude is -76.49716 in 21012 Arnold, Maryland. The time zone for this 21012 ZIP code is America/New_York.
| City | Arnold |
| Zip Code | 21012 |
| State | Maryland |
| County | Anne Arundel |
| Population | 22,306 |
| Latitude | 39.04529 |
| Longitude | -76.49716 |
| Time Zone | America/New_York |