Postal entity record
US 52305 Postal Code Data Source-backed
52305 postal code facts for Martelle, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMartelle
RegionIA
Nearby rows12
Key metadata
| Place | Martelle |
|---|---|
| Admin area | Iowa / IA |
| Local area | Jones |
| Coordinates | 42.0035, -91.3217 |
| 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 52305 to Martelle, 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 | Martelle |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 42.0035, -91.3217 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 52312 | Morley | Iowa | 3.9 mi |
| 52253 | Lisbon | Iowa | 6.6 mi |
| 52336 | Springville | Iowa | 7.2 mi |
| 52306 | Mechanicsville | Iowa | 7.3 mi |
| 52205 | Anamosa | Iowa | 7.4 mi |
| 52314 | Mount Vernon | Iowa | 7.5 mi |
| 52320 | Olin | Iowa | 9.3 mi |
| 52337 | Stanwood | Iowa | 10.9 mi |
| 52252 | Langworthy | Iowa | 13.9 mi |
| 52302 | Marion | Iowa | 14.2 mi |
| 52212 | Center Junction | Iowa | 14.3 mi |
| 52227 | Ely | Iowa | 15 mi |