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The 21150 ZIP Code is centered1 in Howard County at latitude 39.174 and longitude -76.867 (Panoramio Photos). It is a PO Box type ZIP Code. Howard County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.
Simpsonville, MD 21150 Map (Marker is ZIP Code Centroid)
Local Search, 21150 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Simpsonville, MD
(1.4 miles NW) Guilford, MD (1.9 miles E) North Laurel, MD (2.4 miles S) Scaggsville, MD (2.7 miles SW) Savage, MD (3.4 miles SE) |
Oakland Mills, MD
(3.4 miles NNE) Fulton, MD (3.4 miles WSW) High Ridge, MD (3.9 miles S) Hillsborough, MD (4.1 miles SSW) Pfeiffer Corners, MD (4.3 miles ENE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Woodvalley, MD
(< 0.1 mile) The Pines, MD (< 0.1 mile) Stonebrook, MD (< 0.1 mile) Pleasant Grove, MD (< 0.1 mile) MacGills Common, MD (< 0.1 mile) |
Kings Meade, MD
(< 0.1 mile) Holiday Hills, MD (< 0.1 mile) Donleigh, MD (< 0.1 mile) Dickinson, MD (< 0.1 mile) Carriage Hills, MD (< 0.1 mile) |
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.
