Postal entity record
US 61437 Postal Code Data Source-backed
61437 postal code facts for Gladstone, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceGladstone
RegionIL
Nearby rows12
Key metadata
| Place | Gladstone |
|---|---|
| Admin area | Illinois / IL |
| Local area | Henderson |
| Coordinates | 40.8377, -90.9941 |
| 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 61437 to Gladstone, 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 | Gladstone |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 40.8377, -90.9941 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61425 | Carman | Illinois | 6.6 mi |
| 52601 | Burlington | Iowa | 6.7 mi |
| 61480 | Stronghurst | Illinois | 6.9 mi |
| 61418 | Biggsville | Illinois | 7.3 mi |
| 61469 | Oquawka | Illinois | 8.1 mi |
| 61460 | Media | Illinois | 8.9 mi |
| 52655 | West Burlington | Iowa | 9.7 mi |
| 61454 | Lomax | Illinois | 11.4 mi |
| 52650 | Sperry | Iowa | 12.3 mi |
| 61447 | Kirkwood | Illinois | 13.1 mi |
| 61471 | Raritan | Illinois | 13.1 mi |
| 61478 | Smithshire | Illinois | 13.4 mi |