ZIP code · Alamosa · Colorado · United States
ZIP code 81102 — Alamosa
ZIP code 81102 serves Alamosa, Colorado.
- Postal code
- 81102Single source Value from one source, not cross-checked.
- City
- Alamosa
- County
- Alamosa
- State
- Colorado
- Country
- United States
- Coordinates
- 37.4760, -105.8818 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 719Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 81102 with another ZIP · ZIPs within 25 miles · distance from 81102
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low -0°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 43 | 53 | 59 | 69 | 79 | 83 | 80 | 75 | 64 | 51 | 37 |
| Avg low °F | -0 | 7 | 17 | 26 | 34 | 42 | 48 | 45 | 37 | 25 | 13 | 2 |
| Precip in | 0.4 | 0.3 | 0.5 | 0.5 | 0.7 | 0.3 | 1.2 | 1.4 | 0.9 | 0.6 | 0.4 | 0.2 |
NOAA 1991–2020 climate normals from the nearest station: ALAMOSA 1E (1.4 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI. Data generated on 2026-08-21. Methodology · Report an error on this page