Postal reference
ZIP 21918, Maryland
ZIP code 21918 is associated with Conowingo in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21918
- Associated localities
- Conowingo
- County names in postal records
- Cecil
- Approximate postal point
- 39.6778, -76.1572
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.