Postal reference
ZIP 21661, Maryland
ZIP code 21661 is associated with Rock Hall in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21661
- Associated localities
- Rock Hall
- County names in postal records
- Kent
- Approximate postal point
- 39.1344, -76.2305
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.