Postal entity record
US 45123 Postal Code Data Source-backed
45123 postal code facts for Greenfield, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceGreenfield
RegionOH
Nearby rows12
Key metadata
| Place | Greenfield |
|---|---|
| Admin area | Ohio / OH |
| Local area | Highland |
| Coordinates | 39.3478, -83.3898 |
| 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 45123 to Greenfield, 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 | Greenfield |
| postal_code | admin_area | Ohio |
| postal_code | centroid | 39.3478, -83.3898 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 45681 | South Salem | Ohio | 7 mi |
| 45135 | Leesburg | Ohio | 8.5 mi |
| 45628 | Frankfort | Ohio | 10.4 mi |
| 45132 | Highland | Ohio | 11.1 mi |
| 45612 | Bainbridge | Ohio | 11.1 mi |
| 45624 | Cynthiana | Ohio | 12.2 mi |
| 45617 | Bourneville | Ohio | 13.2 mi |
| 43160 | Washington Court House | Ohio | 13.5 mi |
| 43115 | Clarksburg | Ohio | 15.9 mi |
| 45159 | New Vienna | Ohio | 16 mi |
| 43145 | New Holland | Ohio | 16.4 mi |
| 45133 | Hillsboro | Ohio | 17 mi |