Postal entity record
US 50129 Postal Code Data Source-backed
50129 postal code facts for Jefferson, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceJefferson
RegionIA
Nearby rows12
Key metadata
| Place | Jefferson |
|---|---|
| Admin area | Iowa / IA |
| Local area | Greene |
| Coordinates | 42.0093, -94.3888 |
| 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 50129 to Jefferson, 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 | Jefferson |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 42.0093, -94.3888 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 50059 | Cooper | Iowa | 1.9 mi |
| 50107 | Grand Junction | Iowa | 8.1 mi |
| 51462 | Scranton | Iowa | 8.4 mi |
| 50064 | Dana | Iowa | 10.2 mi |
| 50235 | Rippey | Iowa | 10.7 mi |
| 50050 | Churdan | Iowa | 11.8 mi |
| 50128 | Jamaica | Iowa | 12.1 mi |
| 50217 | Paton | Iowa | 12.3 mi |
| 50026 | Bagley | Iowa | 12.4 mi |
| 50031 | Beaver | Iowa | 12.7 mi |
| 51459 | Ralston | Iowa | 12.7 mi |
| 50029 | Bayard | Iowa | 13.9 mi |