US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Callaway, MD 20620

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Callaway, MD 20620

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The 20620 ZIP Code is centered1 in Saint Marys County at latitude 38.235 and longitude -76.522 (Panoramio Photos). It is a standard type ZIP Code. Saint Marys County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 20620 was 1,738 with 682 housing units; a land area land area of 6.57 sq. miles; a water area of 0.02 sq. miles; and a population density of 264.35 people per sq. mile for Census 2000. Demographic Profile

Callaway, MD 20620 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Callaway, MD (< 0.1 mile)
Great Mills, MD (1.4 miles E)
Chingville, MD (1.9 miles W)
Valley Lee, MD (2.7 miles S)
Lane Beach, MD (3.4 miles SW)
Potomac Shores, MD (3.4 miles SW)
Patuxent Park, MD (3.6 miles ENE)
McKay Beach, MD (3.6 miles SSW)
Lexington Park, MD (4.3 miles ENE)
Redgate, MD (4.3 miles WNW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Lord Calvert Mobile Home Park, MD (1.9 miles ENE)
Hills Trailer Park, MD (1.9 miles ENE)
Belvedere Woodland, MD (2.4 miles W)
Stoney Run, MD (2.4 miles SE)
Willow Brook Estates, MD (2.4 miles SE)
Suburban Estates, MD (2.7 miles ENE)
Friendly Pines, MD (2.7 miles NE)
Maple Run, MD (2.7 miles NNW)
Bates Acres, MD (2.7 miles SE)
Greens Rest Manor, MD (2.7 miles SE)

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.