Postal entity record
US 61818 Postal Code Data Source-backed
61818 postal code facts for Cerro Gordo, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceCerro Gordo
RegionIL
Nearby rows12
Key metadata
| Place | Cerro Gordo |
|---|---|
| Admin area | Illinois / IL |
| Local area | Piatt |
| Coordinates | 39.8681, -88.7256 |
| 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 61818 to Cerro Gordo, 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 | Cerro Gordo |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 39.8681, -88.7256 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61936 | La Place | Illinois | 4.8 mi |
| 61855 | Milmine | Illinois | 5.2 mi |
| 62501 | Argenta | Illinois | 6.2 mi |
| 62554 | Oreana | Illinois | 8.3 mi |
| 61813 | Bement | Illinois | 9.1 mi |
| 61830 | Cisco | Illinois | 9.1 mi |
| 61929 | Hammond | Illinois | 9.3 mi |
| 62549 | Mt Zion | Illinois | 10 mi |
| 61937 | Lovington | Illinois | 11.2 mi |
| 62526 | Decatur | Illinois | 11.3 mi |
| 61925 | Dalton City | Illinois | 11.4 mi |
| 62521 | Decatur | Illinois | 11.9 mi |