Postal entity record
US 61489 Postal Code Data Source-backed
61489 postal code facts for Williamsfield, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceWilliamsfield
RegionIL
Nearby rows12
Key metadata
| Place | Williamsfield |
|---|---|
| Admin area | Illinois / IL |
| Local area | Knox |
| Coordinates | 40.9277, -90.0267 |
| 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 61489 to Williamsfield, 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 | Williamsfield |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 40.9277, -90.0267 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61451 | Laura | Illinois | 4.8 mi |
| 61428 | Dahinda | Illinois | 6.2 mi |
| 61485 | Victoria | Illinois | 7.6 mi |
| 61436 | Gilson | Illinois | 8.5 mi |
| 61517 | Brimfield | Illinois | 9.1 mi |
| 61572 | Yates City | Illinois | 9.7 mi |
| 61529 | Elmwood | Illinois | 11.9 mi |
| 61449 | La Fayette | Illinois | 13.1 mi |
| 61559 | Princeville | Illinois | 13.3 mi |
| 61458 | Maquon | Illinois | 13.4 mi |
| 61448 | Knoxville | Illinois | 13.6 mi |
| 61488 | Wataga | Illinois | 14.4 mi |