Postal reference
ZIP 21791, Maryland
ZIP code 21791 is associated with Union Bridge in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 21791
- Associated localities
- Union Bridge
- County names in postal records
- Carroll
- Approximate postal point
- 39.5799, -77.1319
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.