ZIP Code 21046
Columbia · Howard, Maryland
21046 is the ZIP code of Columbia in Howard, Maryland, United States.
- ZIP Code
- 21046
- County
- Howard
- State
- Maryland
- Country
- United States
Place with ZIP code 21046
| Place | County | Location |
|---|---|---|
| Columbia | Howard | 39.170, -76.854 |
Near Baltimore
The nearest major city is Baltimore, about 25 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21046?
Columbia.
Which county and state is 21046 in?
Howard, Maryland, United States.
What is the nearest major city to 21046?
Baltimore, about 25 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.