Postal entity record
US 61277 Postal Code Data Source-backed
61277 postal code facts for Prophetstown, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceProphetstown
RegionIL
Nearby rows12
Key metadata
| Place | Prophetstown |
|---|---|
| Admin area | Illinois / IL |
| Local area | Whiteside |
| Coordinates | 41.6312, -89.9467 |
| 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 61277 to Prophetstown, 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 | Prophetstown |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 41.6312, -89.9467 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61261 | Lyndon | Illinois | 6.3 mi |
| 61250 | Erie | Illinois | 7.3 mi |
| 61258 | Hooppole | Illinois | 7.8 mi |
| 61283 | Tampico | Illinois | 8 mi |
| 61251 | Fenton | Illinois | 8.4 mi |
| 61243 | Deer Grove | Illinois | 12.9 mi |
| 61270 | Morrison | Illinois | 12.9 mi |
| 61346 | New Bedford | Illinois | 14.3 mi |
| 61037 | Galt | Illinois | 14.4 mi |
| 61257 | Hillsdale | Illinois | 14.7 mi |
| 61235 | Atkinson | Illinois | 15.4 mi |
| 61071 | Rock Falls | Illinois | 16.1 mi |