Postal reference
ZIP 20899, Maryland
ZIP code 20899 is associated with Gaithersburg in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 20899
- Associated localities
- Gaithersburg
- County names in postal records
- Montgomery
- Approximate postal point
- 39.1403, -77.222
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.