Postal entity record
US 98850 Postal Code Data Source-backed
98850 postal code facts for Rock Island, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceRock Island
RegionWA
Nearby rows12
Key metadata
| Place | Rock Island |
|---|---|
| Admin area | Washington / WA |
| Local area | Douglas |
| Coordinates | 47.3706, -120.1378 |
| 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 98850 to Rock Island, 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 | Rock Island |
| postal_code | admin_area | Washington |
| postal_code | centroid | 47.3706, -120.1378 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 98828 | Malaga | Washington | 3.5 mi |
| 98802 | East Wenatchee | Washington | 7.1 mi |
| 98807 | Wenatchee | Washington | 8.9 mi |
| 98801 | Wenatchee | Washington | 9.6 mi |
| 98845 | Palisades | Washington | 11 mi |
| 98836 | Monitor | Washington | 15.2 mi |
| 98848 | Quincy | Washington | 18.2 mi |
| 98858 | Waterville | Washington | 19.2 mi |
| 98815 | Cashmere | Washington | 19.9 mi |
| 98843 | Orondo | Washington | 22.6 mi |
| 98821 | Dryden | Washington | 23 mi |
| 98822 | Entiat | Washington | 24 mi |