81102 ZIP Code
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ZIP code 81102 covers Alamosa, Colorado. It has no Census ZIP Code Tabulation Area, which is how the Census Bureau treats ZIP codes that are not residential neighbourhoods — PO box-only ranges, military addresses, and codes assigned to a single large organisation. There are no population or income figures for it because nobody is counted as living there.
- Time zone
- Mountain UTC-07:00observes daylight saving time
Where 81102 is
Alamosa, Colorado — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | ALAMOSA 1E, CO US2.3 km away |
|---|---|
| Rain in a year | 7 in |
| Snow in a year | 30 in |
Average high and low by month
| January | 35.3°F / -0.4°F0.39 in rain, 6.9 in snow |
|---|---|
| February | 42.6°F / 7°F0.26 in rain, 4.2 in snow |
| March | 52.8°F / 17.1°F0.46 in rain, 4.3 in snow |
| April | 59.4°F / 25.5°F0.53 in rain, 4.5 in snow |
| May | 69.2°F / 33.9°F0.65 in rain, 0.8 in snow |
| June | 79.4°F / 41.7°F0.26 in rain |
| July | 82.9°F / 47.7°F1.16 in rain |
| August | 80.4°F / 45.1°F1.43 in rain |
| September | 74.9°F / 37.1°F0.94 in rain |
| October | 64.1°F / 25.2°F0.59 in rain, 2 in snow |
| November | 50.5°F / 12.6°F0.36 in rain, 3.1 in snow |
| December | 37.3°F / 1.6°F0.23 in rain, 4.2 in snow |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 81101 Alamosa, CO | 0.7 km away |
|---|---|
| 81146 Mosca, CO | 19 km away |
| 81135 Homelake, CO | 22 km away |
| 81140 La Jara, CO | 23.3 km away |
| 81151 Sanford, CO | 24.3 km away |
| 81144 Monte Vista, CO | 25.3 km away |
| 81136 Hooper, CO | 27.5 km away |
| 81124 Capulin, CO | 29.5 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Time zone | Mountain (UTC-07:00 standard) |
|---|---|
| Daylight saving time | Observed |
| Latitude, longitude | 37.4760, -105.8818 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.