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ZIP Code 21155 has segments in 2 Counties / Independent Cities (Baltimore, Carroll).
The 21155 ZIP Code is centered1 in Baltimore County at latitude 39.566 and longitude -76.801. It is a standard type ZIP Code. Baltimore County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time. The population in ZIP Code Tabulation Area (ZCTA) 21155 was 2,349 with 965 housing units; a land area land area of 22.4 sq. miles; a water area of 0 sq. miles; and a population density of 104.87 people per sq. mile for Census 2000. Demographic Profile |
Upperco, MD 21155 Map (Marker is ZIP Code Centroid)
Local Search, 21155 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Trenton Mill, MD
(< 0.1 mile) Trenton, MD (1.4 miles NNW) Pleasant Grove, MD (1.4 miles S) Upperco, MD (1.9 miles W) Fowblesburg, MD (2.4 miles SW) |
Whitehouse, MD
(2.7 miles NNE) Boring, MD (2.7 miles SSW) Haletown, MD (3.1 miles NE) Coopersville, MD (3.4 miles ESE) Armacost, MD (3.4 miles N) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Pleasant Run, MD
(1.9 miles SSW) Wolf Hill, MD (2.4 miles WNW) Hunter Green, MD (2.7 miles NE) Southwood, MD (3.1 miles WSW) Roberts Field, MD (3.1 miles NW) |
Cedarbrook, MD
(3.1 miles NNW) Clear View, MD (3.1 miles NW) Blue Grass Manor, MD (3.1 miles W) Hampstead Valley, MD (3.4 miles NW) Scotts Ridge, MD (3.4 miles NNW) |
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.