Postal reference
ZIP 21639, Maryland
ZIP code 21639 is associated with Greensboro in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21639
- Associated localities
- Greensboro
- County names in postal records
- Caroline
- Approximate postal point
- 38.9616, -75.8059
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.