Postal entity record
US 38581 Postal Code Data Source-backed
38581 postal code facts for Rock Island, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceRock Island
RegionTN
Nearby rows12
Key metadata
| Place | Rock Island |
|---|---|
| Admin area | Tennessee / TN |
| Local area | Warren |
| Coordinates | 35.7668, -85.6788 |
| 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 38581 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 | Tennessee |
| postal_code | centroid | 35.7668, -85.6788 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 38550 | Campaign | Tennessee | 3.4 mi |
| 37110 | Mcminnville | Tennessee | 7.7 mi |
| 37111 | Mcminnville | Tennessee | 7.7 mi |
| 38587 | Walling | Tennessee | 7.9 mi |
| 38579 | Quebeck | Tennessee | 8.4 mi |
| 38559 | Doyle | Tennessee | 10.1 mi |
| 37378 | Smartt | Tennessee | 12.4 mi |
| 37166 | Smithville | Tennessee | 13.3 mi |
| 38585 | Spencer | Tennessee | 14.3 mi |
| 37357 | Morrison | Tennessee | 17.6 mi |
| 38583 | Sparta | Tennessee | 18.2 mi |
| 37394 | Viola | Tennessee | 18.7 mi |