20859 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Potomac, MD | Rockville, MD

ZIP Code 20859: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Potomac, MD 20859

Acceptable Alternative
Rockville, MD 20859

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  • ZIP Code Type: PO BOX
  • County: Montgomery County
  • Centroid: Latitude 39.023, Longitude -77.199
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 308
  • PO Box Addresses: 299
  • Residential Addresses: 299
    • Multi-Family Addresses: 0
    • Single Family Addresses: 0

The ZIP Code maps and database are updated 4 times per year.
Database updated: April 1, 2022, Maps updated: February 4, 2022.


Potomac, MD 20859 Data & Demographics (As of July 1, 2021)

    ZIP Code 20859 is a PO Box ZIP Code. There is no demographic data available for this type of ZIP Code. However, ZIP Code 20859 is contained within ZIP Code 20854 and perhaps demographic information for this ZIP Code would be of interest to you: ZIP Code 20854 Demographic Information.

Nearby Cities, Towns & Census Designated Places

Potomac, MD (< 0.1 mile)
Cabin John, MD (3.9 miles SE)
North Bethesda, MD (4.5 miles ENE)
Travilah, MD (4.7 miles NW)
Glen Echo, MD (4.7 miles SE)
Rockville, MD (4.9 miles NNE)
Great Falls, VA (5.1 miles WSW)
North Potomac, MD (5.5 miles NW)
Garrett Park, MD (5.8 miles E)
Bethesda, MD (6.1 miles ESE)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Potomac Glen, MD (< 0.1 mile)
Williamsburg Estates, MD (1.4 miles S)
Potomac Manors, MD (1.4 miles WSW)
Pine Knolls, MD (1.4 miles NNE)
McAuley Park, MD (1.4 miles ESE)
Lake Normandy Estates, MD (1.4 miles NNE)
Bradley Farms, MD (1.4 miles SSE)
Potomac Falls, MD (1.9 miles WSW)
Glen, MD (1.9 miles NNW)
Fox Hills, MD (1.9 miles NE)

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