Postal entity record
US 51301 Postal Code Data Source-backed
51301 postal code facts for Spencer, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceSpencer
RegionIA
Nearby rows12
Key metadata
| Place | Spencer |
|---|---|
| Admin area | Iowa / IA |
| Local area | Clay |
| Coordinates | 43.1451, -95.1457 |
| 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 51301 to Spencer, 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 | Spencer |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 43.1451, -95.1457 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 51340 | Fostoria | Iowa | 4.3 mi |
| 51333 | Dickens | Iowa | 8.1 mi |
| 51343 | Greenville | Iowa | 8.9 mi |
| 51338 | Everly | Iowa | 9 mi |
| 51357 | Royal | Iowa | 9.1 mi |
| 51341 | Gillett Grove | Iowa | 10.3 mi |
| 51351 | Milford | Iowa | 12.1 mi |
| 51358 | Ruthven | Iowa | 13.2 mi |
| 51331 | Arnolds Park | Iowa | 15.1 mi |
| 51364 | Terril | Iowa | 15.1 mi |
| 51366 | Webb | Iowa | 15.5 mi |
| 50585 | Sioux Rapids | Iowa | 16.5 mi |