20859 ZIP Code Profile, Map, Data & Demographics
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ZIP Code 20859: Basic Data & USPS Preferred City Name
Preferred Name, USPS
Acceptable Alternative
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 : 280
PO Box Addresses : 277
Residential Addresses : 277
Multi-Family Addresses : 0
Single Family Addresses : 0
The ZIP Code maps and database are updated 4 times per year . Database updated: March 1, 2026 , Maps updated: May 1, 2024 .
Potomac, MD 20859 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
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
(0.5 miles WSW)
Cabin John, MD
(3.8 miles SE)
North Bethesda, MD
(4.7 miles ENE)
Glen Echo, MD
(4.7 miles SE)
Travilah, MD
(4.8 miles NW)
Great Falls, VA
(5 miles WSW)
Rockville, MD
(5.1 miles NNE)
North Potomac, MD
(5.6 miles NW)
Garrett Park, MD
(5.9 miles ENE)
Bethesda, MD
(6 miles ESE)
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
Williamsburg Estates, MD
(0.8 miles S)
Potomac Glen, MD
(1 miles NW)
Bradley Farms, MD
(1 miles SSE)
McAuley Park, MD
(1.1 miles E)
Potomac Manors, MD
(1.2 miles W)
Pine Knolls, MD
(1.2 miles NNE)
Campbell Corner, MD
(1.6 miles SE)
Potomac Falls, MD
(1.7 miles WSW)
Lake Normandy Estates, MD
(1.7 miles NNE)
Fawsett Farms, MD
(1.9 miles SW)
Popular Places Near ZIP Code 20859
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