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The 80321 ZIP Code is centered1 in Boulder County at latitude 40.015 and longitude -105.209 (Panoramio Photos). It is a unique - single entity - type ZIP Code. Boulder County is in the Mountain Time Zone (UTC -7 hours) and observes daylight savings time.
Boulder, CO 80321 Map (Marker is ZIP Code Centroid)
Local Search, 80321 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Boulder Junction, CO
(< 0.1 mile) Valmont, CO (1.4 miles NNW) Ara, CO (2.4 miles WNW) Paragon Estates, CO (3.1 miles SE) Boulder, CO (3.4 miles W) |
Gunbarrel, CO
(3.6 miles NNE) Marshall, CO (4.3 miles SSW) Liggett, CO (4.5 miles ENE) Louisville, CO (4.9 miles ESE) Superior, CO (4.9 miles SSE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Seven Hills, CO
(5.5 miles W) Ninemile Corner, CO (5.6 miles E) Pine Brook Hill, CO (6.1 miles WNW) Rock Creek, CO (6.1 miles SSE) Seven Hills, CO (6.7 miles WNW) |
Maple Grove, CO
(7 miles ESE) Tall Timber, CO (7.5 miles W) Lazy Acres, CO (8.4 miles NW) Pony Estates, CO (8.9 miles ESE) Country Estates, CO (8.9 miles ESE) |
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.
