Postal entity record
US 50440 Postal Code Data Source-backed
50440 postal code facts for Grafton, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceGrafton
RegionIA
Nearby rows12
Key metadata
| Place | Grafton |
|---|---|
| Admin area | Iowa / IA |
| Local area | Worth |
| Coordinates | 43.311, -93.0797 |
| 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 50440 to Grafton, 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 | Grafton |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 43.311, -93.0797 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 50464 | Plymouth | Iowa | 5 mi |
| 50456 | Manly | Iowa | 6.3 mi |
| 50448 | Kensett | Iowa | 7.2 mi |
| 50467 | Rock Falls | Iowa | 7.2 mi |
| 50426 | Carpenter | Iowa | 7.9 mi |
| 50472 | Saint Ansgar | Iowa | 10.2 mi |
| 50458 | Nora Springs | Iowa | 12 mi |
| 50402 | Mason City | Iowa | 12.5 mi |
| 50401 | Mason City | Iowa | 12.6 mi |
| 50459 | Northwood | Iowa | 12.6 mi |
| 50461 | Osage | Iowa | 13.4 mi |
| 50481 | Toeterville | Iowa | 14.9 mi |