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The 03821 ZIP Code is centered1 in Strafford County at latitude 43.189 and longitude -70.903 (Panoramio Photos). It is a PO Box type ZIP Code. Strafford County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.
Dover, NH 03821 Map (Marker is ZIP Code Centroid)
Local Search, 03821 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Sawyers, NH
(< 0.1 mile) Dover, NH (1.4 miles ENE) Madbury, NH (1.9 miles SW) Gates Corner, NH (2.4 miles NNE) Kelwyn Park, NH (2.7 miles NNE) |
Central Park, NH
(3.4 miles NNE) Cocheco, NH (3.4 miles NNW) Durham, NH (3.9 miles SSW) Blackwater, NH (3.9 miles N) Rollinsford Station, NH (4.1 miles NE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Oldfields, ME
(5.5 miles ENE) East Barrington, NH (5.6 miles WNW) Brixham Lower Corners, ME (8.4 miles E) South Newington, NH (9.2 miles SSE) Seacrest Village, NH (9.3 miles SE) |
Cedar Waters, NH
(9.5 miles WSW) Cain Crest Trailer Park, ME (11 miles ESE) Boyd Corner, ME (12.1 miles NE) Sagamore Grove, NH (12.2 miles SE) Maplehaven, NH (12.4 miles SSE) |
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.
- 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.
