US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Oldtown, MD 21555

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Oldtown, MD 21555

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The 21555 ZIP Code is centered1 in Allegany County at latitude 39.596 and longitude -78.561 (Panoramio Photos). It is a standard type ZIP Code. Allegany County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 21555 was 1,922 with 950 housing units; a land area land area of 98.51 sq. miles; a water area of 0.9 sq. miles; and a population density of 19.51 people per sq. mile for Census 2000. Demographic Profile

Oldtown, MD 21555 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Pumpkin Center, MD (1.9 miles N)
Oldtown, MD (4.5 miles SW)
Town Creek, MD (4.9 miles SSE)
Green Spring, WV (5.3 miles SW)
Okonoko, WV (5.3 miles SSE)
Rush, MD (5.5 miles NNW)
Jerome, WV (5.6 miles E)
Twiggtown, MD (6 miles WNW)
Millen, WV (6.6 miles SW)
Little Cacapon, WV (6.6 miles SSE)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Picardy, MD (4.7 miles SSE)
Cacapehon, WV (7.6 miles SSE)
Pleasant Grove, MD (8.7 miles NW)
Woodrow, WV (9.4 miles SE)
Mexico, MD (9.8 miles W)
Cumberland Heights, MD (10.9 miles WNW)
Milleson, WV (11.4 miles SW)
Bowmans Addition, MD (12 miles WNW)
Knobmount, WV (12.5 miles W)
Cedar Cliff, WV (13.3 miles W)

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.