Postal reference
ZIP 20689, Maryland
ZIP code 20689 is associated with Sunderland in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 20689
- Associated localities
- Sunderland
- County names in postal records
- Calvert
- Approximate postal point
- 38.649, -76.5767
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.