ZIP Code 21723
Cooksville · Howard, Maryland
21723 is the ZIP code of Cooksville in Howard, Maryland, United States.
- ZIP Code
- 21723
- County
- Howard
- State
- Maryland
- Country
- United States
Place with ZIP code 21723
| Place | County | Location |
|---|---|---|
| Cooksville | Howard | 39.321, -77.005 |
Near Baltimore
The nearest major city is Baltimore, about 34 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21723?
Cooksville.
Which county and state is 21723 in?
Howard, Maryland, United States.
What is the nearest major city to 21723?
Baltimore, about 34 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.