Postal reference / United States
81102Alamosa, Colorado
ZIP code 81102 is a United States postal code for Alamosa, Colorado. Its county association is Alamosa County. The map reference point is at 37.476, -105.8818.
- State / territory
- Colorado
- Recorded place name
- Alamosa
- County association
- Alamosa
- Estimated coordinate
- 37.476, -105.8818
View on OpenStreetMap - ZIP prefix
- 811 · 32 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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Colorado directoryOther ZIP codes in Alamosa, CO
Alamosa has 2 ZIP codes in the reference dataset.
- 81101Alamosa
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 81101 | Alamosa | CO | Alamosa | 0.4 |
| 81146 | Mosca | CO | Alamosa | 11.8 |
| 81135 | Homelake | CO | Rio Grande | 13.7 |
| 81140 | La Jara | CO | Conejos | 14.5 |
| 81151 | Sanford | CO | Conejos | 15.1 |
| 81144 | Monte Vista | CO | Rio Grande | 15.7 |
| 81136 | Hooper | CO | Alamosa | 17.1 |
| 81124 | Capulin | CO | Conejos | 18.3 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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