US Gazetteer > Colorado Gazetteer > Colorado ZIP Codes > Alamosa, CO 81102

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Preferred Name, USPS
Alamosa, CO 81102
Not Acceptable, USPS
Adams State College, CO 81102

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Weather forecast ZIP Code 81102

The 81102 ZIP Code is centered1 in Alamosa County at latitude 37.472 and longitude -105.861 (Panoramio Photos). It is a unique - single entity - type ZIP Code. Alamosa County is in the Mountain Time Zone (UTC -7 hours) and observes daylight savings time.

Alamosa, CO 81102 Map (Marker is ZIP Code Centroid)

Local Search, 81102 ZIP Code| Distance & Driving Directions

Nearby Cities, Towns & Census Designated Places

Alamosa, CO (< 0.1 mile)
La Fruto, CO (4.5 miles SSW)
Henry, CO (5.6 miles SSW)
Hartner, CO (6.1 miles SSW)
Estrella, CO (8.1 miles SSW)
Waverly, CO (8.4 miles WSW)
Parma, CO (10.8 miles WNW)
Mosca, CO (12.2 miles N)
Morgan, CO (13.3 miles SW)
Zinzer, CO (14.2 miles WNW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

No additional populated places within a 20 miles radius found.

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.
  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.