Postal entity record
US 61031 Postal Code Data Source-backed
61031 postal code facts for Franklin Grove, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceFranklin Grove
RegionIL
Nearby rows12
Key metadata
| Place | Franklin Grove |
|---|---|
| Admin area | Illinois / IL |
| Local area | Lee |
| Coordinates | 41.858, -89.3171 |
| 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 61031 to Franklin Grove, 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 | Franklin Grove |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 41.858, -89.3171 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61057 | Nachusa | Illinois | 4.2 mi |
| 61006 | Ashton | Illinois | 5.6 mi |
| 61324 | Eldena | Illinois | 7.8 mi |
| 61331 | Lee Center | Illinois | 7.8 mi |
| 61021 | Dixon | Illinois | 8.9 mi |
| 61061 | Oregon | Illinois | 10.6 mi |
| 61310 | Amboy | Illinois | 10.7 mi |
| 61015 | Chana | Illinois | 10.8 mi |
| 61378 | West Brooklyn | Illinois | 11 mi |
| 61091 | Woosung | Illinois | 11.9 mi |
| 61068 | Rochelle | Illinois | 13.6 mi |
| 61054 | Mount Morris | Illinois | 14.4 mi |