Postal entity record
US 61201 Postal Code Data Source-backed
61201 postal code facts for Rock Island, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceRock Island
RegionIL
Nearby rows12
Key metadata
| Place | Rock Island |
|---|---|
| Admin area | Illinois / IL |
| Local area | Rock Island |
| Coordinates | 41.4913, -90.5648 |
| 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 61201 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 | Illinois |
| postal_code | centroid | 41.4913, -90.5648 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 52801 | Davenport | Iowa | 2.1 mi |
| 61299 | Rock Island | Illinois | 2.3 mi |
| 61266 | Moline | Illinois | 2.8 mi |
| 52802 | Davenport | Iowa | 3.1 mi |
| 52803 | Davenport | Iowa | 3.3 mi |
| 61265 | Moline | Illinois | 3.5 mi |
| 52804 | Davenport | Iowa | 4.1 mi |
| 61264 | Milan | Illinois | 4.5 mi |
| 52807 | Davenport | Iowa | 5 mi |
| 61204 | Rock Island | Illinois | 5.1 mi |
| 52722 | Bettendorf | Iowa | 5.5 mi |
| 52806 | Davenport | Iowa | 6 mi |