US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Glyndon, MD 21071

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Preferred Name, USPS
Glyndon, MD 21071
Not Acceptable, USPS
Reisterstown, MD 21071

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Weather forecast ZIP Code 21071

The 21071 ZIP Code is centered1 in Baltimore County at latitude 39.485 and longitude -76.776 (Panoramio Photos). It is a PO Box 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) 21071 was 424 with 158 housing units; a land area land area of 0.23 sq. miles; a water area of 0 sq. miles; and a population density of 1,852.11 people per sq. mile for Census 2000. Demographic Profile

Glyndon, MD 21071 Map (Marker is ZIP Code Centroid)

Local Search, 21071 ZIP Code| Distance & Driving Directions

Nearby Cities, Towns & Census Designated Places

Dover, MD (1.9 miles N)
Big Spring, MD (1.9 miles ENE)
Saint Georges, MD (1.9 miles SW)
Emory Grove, MD (2.4 miles W)
Glyndon, MD (2.4 miles WSW)
Timber Grove, MD (2.4 miles SSW)
Mantua, MD (2.4 miles NE)
Chartley, MD (2.7 miles SW)
Gwynnbrook, MD (2.7 miles S)
Glen Morris, MD (2.7 miles W)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

The Manors, MD (1.4 miles SSW)
Sagamore Forest, MD (1.4 miles SW)
Arborwood, MD (1.4 miles SSW)
Timber Chase, MD (1.9 miles SSW)
Tree Top Station, MD (1.9 miles SW)
Sagamore Village, MD (1.9 miles SW)
Worthington, MD (1.9 miles SE)
Worthington Run, MD (1.9 miles SSW)
Worthington Park, MD (1.9 miles S)
Valley Hills, MD (1.9 miles SSE)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties / Independent Cities.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. 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.