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The 20189 ZIP Code is centered1 in Loudoun County at latitude 39.01 and longitude -77.441 (Panoramio Photos). It is a standard type ZIP Code. Loudoun County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.
Dulles, VA 20189 Map (Marker is ZIP Code Centroid)
Local Search, 20189 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Sterling, VA
(< 0.1 mile) Sterling Park, VA (2.4 miles ESE) Countryside, VA (2.7 miles NE) Oak Grove, VA (2.7 miles SE) Ryan, VA (2.7 miles W) |
Herndon Heights, VA
(3.1 miles SE) Ashburn, VA (3.4 miles NW) Broad Run Farms, VA (3.4 miles N) Potomac Falls, VA (3.6 miles NE) Cooktown, VA (3.6 miles ESE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Ashburn Village, VA
(3.1 miles NW) University Center, VA (3.4 miles N) Ashburn Farm, VA (3.6 miles WNW) Potomac Farms, VA (3.9 miles NNW) Carters, VA (4.1 miles SW) |
Broadlands, VA
(4.3 miles W) Graves, VA (4.7 miles NW) Belmont Country Club, VA (5.1 miles NNW) Belmont Greene, VA (5.3 miles NW) Royville, VA (5.5 miles WSW) |
ZIP Codes - Key Concepts
- ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
- The centroid of a ZIP Code may be in one County and the associated city/town in another.
- In rural areas, a single ZIP Code may be used for cities and towns in several different Counties / Independent Cities.
- ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
- ZIP Codes are only loosely tied to cities.
1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.
