Postal reference
ZIP 21821, Maryland
ZIP code 21821 is associated with Deal Island in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21821
- Associated localities
- Deal Island
- County names in postal records
- Somerset
- Approximate postal point
- 38.1533, -75.9496
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.