Postal entity record
US 81101 Postal Code Data Source-backed
81101 postal code facts for Alamosa, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceAlamosa
RegionCO
Nearby rows12
Key metadata
| Place | Alamosa |
|---|---|
| Admin area | Colorado / CO |
| Local area | Alamosa |
| Coordinates | 37.4703, -105.8786 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
What this record means
This row links US 81101 to Alamosa, the available admin area, centroid coordinates, source accuracy, and source snapshot metadata.
Use it as a reference-data join for cleaning CRM rows, grouping operational reports, preparing territory QA, or checking whether an imported postal value has a source-backed match.
What the centroid can support
The latitude and longitude represent a postal centroid from the source snapshot. They are useful for approximate map previews, nearby-record review, deduplication checks, and distance-based QA.
They should not be treated as an official delivery boundary, address-level geocode, tax boundary, or service-area guarantee.
Sample CSV enrichment output
| Input field | Added output | Example value |
|---|---|---|
| postal_code | matched_place | Alamosa |
| postal_code | admin_area | Colorado |
| postal_code | centroid | 37.4703, -105.8786 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 81102 | Alamosa | Colorado | 0.4 mi |
| 81146 | Mosca | Colorado | 12.1 mi |
| 81135 | Homelake | Colorado | 14 mi |
| 81140 | La Jara | Colorado | 14.2 mi |
| 81151 | Sanford | Colorado | 14.7 mi |
| 81144 | Monte Vista | Colorado | 16 mi |
| 81136 | Hooper | Colorado | 17.5 mi |
| 81124 | Capulin | Colorado | 18.1 mi |
| 81123 | Blanca | Colorado | 20 mi |
| 81141 | Manassa | Colorado | 20.5 mi |
| 81148 | Romeo | Colorado | 21.4 mi |
| 81125 | Center | Colorado | 21.6 mi |