Postal reference
ZIP 21758, Maryland
ZIP code 21758 is associated with Knoxville in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21758
- Associated localities
- Knoxville
- County names in postal records
- Frederick
- Approximate postal point
- 39.3479, -77.6513
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.