ZIP Code 21661
Rock Hall · Kent, Maryland
21661 is the ZIP code of Rock Hall in Kent, Maryland, United States.
- ZIP Code
- 21661
- County
- Kent
- State
- Maryland
- Country
- United States
Place with ZIP code 21661
| Place | County | Location |
|---|---|---|
| Rock Hall | Kent | 39.134, -76.231 |
Near Baltimore
The nearest major city is Baltimore, about 37 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21661?
Rock Hall.
Which county and state is 21661 in?
Kent, Maryland, United States.
What is the nearest major city to 21661?
Baltimore, about 37 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.