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The 21792 ZIP Code is centered1 in Frederick County at latitude 39.475 and longitude -77.187 (Panoramio Photos). It is a PO Box type ZIP Code. Frederick County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.
Unionville, MD 21792 Map (Marker is ZIP Code Centroid)
Local Search, 21792 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Unionville, MD
(< 0.1 mile) Oldfield, MD (1.4 miles NNW) Oak Orchard, MD (1.9 miles ENE) Linganore, MD (2.7 miles SSW) Libertytown, MD (3.1 miles WNW) |
McDonald, MD
(3.1 miles SSE) Clemsonville, MD (3.4 miles N) Weldon, MD (3.6 miles E) Englars Mill, MD (4.1 miles NE) Sams Creek, MD (4.1 miles ENE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Holler, MD
(1.4 miles E) Byrons Manor, MD (1.4 miles WSW) Bessie Clemson Heights, MD (1.4 miles NW) Fox Ridge Estates, MD (1.9 miles WNW) Glisson Place, MD (1.9 miles SW) |
Liberty Knolls, MD
(2.4 miles WNW) Linganore Woods, MD (2.4 miles SW) Potomac Estates, MD (2.4 miles S) Harvest Hills, MD (2.4 miles SSE) Burrier Knob, MD (2.4 miles SSW) |
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.
