ZIP Code 21661
Rock Hall, Maryland
ZIP Code Information
ZIP code 21661 is the delivery code the USPS assigns to Rock Hall, Maryland. The ZIP lies within Kent County. Clocks here follow the America/New_York time zone (UTC-4).
About 2,556 people live in this ZIP code, and the median household income is roughly $50,741 a year. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 21661
- Write a mailing address: Rock Hall, MD 21661. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
Location Map
Full mapNearby ZIP Codes
Radius search| ZIP Code | City | Distance | |
|---|---|---|---|
| 21620 | Chestertown | 15.6 km | Distance |
| 21656 | Price | 16.3 km | Distance |
| 21690 | Chestertown | 16.3 km | Distance |
| 21658 | Queenstown | 16.5 km | Distance |
| 21617 | Centreville | 18.2 km | Distance |
| 21056 | Gibson Island | 18.6 km | Distance |
| 21619 | Chester | 20.1 km | Distance |
| 21052 | Fort Howard | 20.2 km | Distance |
| 21409 | Annapolis | 20.6 km | Distance |
| 21623 | Church Hill | 21 km | Distance |
Nearby Cities
Chestertown, Maryland
(15.6 km)
Price, Maryland
(16.3 km)
Queenstown, Maryland
(16.5 km)
Centreville, Maryland
(18.2 km)
Gibson Island, Maryland
(18.6 km)
Chester, Maryland
(20.1 km)
Fort Howard, Maryland
(20.2 km)
Annapolis, Maryland
(20.6 km)
Frequently Asked Questions
ZIP code 21661 is located in Rock Hall, Maryland.
ZIP code 21661 is in Kent county, Maryland.
ZIP code 21661 is in the America/New_York timezone.