Postal entity record
US 80109 Postal Code Data Source-backed
80109 postal code facts for Castle Rock, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceCastle Rock
RegionCO
Nearby rows12
Key metadata
| Place | Castle Rock |
|---|---|
| Admin area | Colorado / CO |
| Local area | Douglas |
| Coordinates | 39.3643, -104.9014 |
| 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 80109 to Castle Rock, 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 | Castle Rock |
| postal_code | admin_area | Colorado |
| postal_code | centroid | 39.3643, -104.9014 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 80104 | Castle Rock | Colorado | 2.5 mi |
| 80163 | Littleton | Colorado | 5.1 mi |
| 80108 | Castle Rock | Colorado | 6.2 mi |
| 80134 | Parker | Colorado | 9.2 mi |
| 80116 | Franktown | Colorado | 9.4 mi |
| 80131 | Louviers | Colorado | 9.6 mi |
| 80135 | Sedalia | Colorado | 9.6 mi |
| 80118 | Larkspur | Colorado | 11.6 mi |
| 80125 | Littleton | Colorado | 11.7 mi |
| 80130 | Littleton | Colorado | 12.3 mi |
| 80126 | Littleton | Colorado | 12.9 mi |
| 80124 | Lone Tree | Colorado | 13 mi |