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The 20101 ZIP Code is centered1 in Loudoun County at latitude 38.988 and longitude -77.452. It is a unique - single entity - type ZIP Code. Loudoun County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.
Dulles, VA 20101 Map (Interactive ZIP Code Map of 20101 ZIP Code)
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Nearby Cities, Towns & Census Designated Places
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Sterling, VA
(1.9 miles NE) Ryan, VA (2.7 miles NW) Oak Grove, VA (2.7 miles E) Sterling Park, VA (3.1 miles ENE) Herndon Heights, VA (3.1 miles ESE) |
Cooktown, VA
(3.6 miles E) Herndon, VA (3.9 miles ESE) Dulles Town Center, VA (3.9 miles NNE) Broadlands, VA (4.1 miles WNW) Countryside, VA (4.1 miles NNE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Ashby Ponds, VA
(2.7 miles N) Carters, VA (2.7 miles SW) Ashburn Village, VA (4.1 miles NNW) Ashburn Farm, VA (4.1 miles NW) Royville, VA (4.3 miles WSW) |
Hutchinson, VA
(4.7 miles SW) Potomac Farms, VA (5.3 miles N) Graves, VA (5.5 miles NNW) German, VA (5.6 miles SW) Butler, VA (6 miles W) |
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.
