Postal entity record
US 52556 Postal Code Data Source-backed
52556 postal code facts for Fairfield, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceFairfield
RegionIA
Nearby rows12
Key metadata
| Place | Fairfield |
|---|---|
| Admin area | Iowa / IA |
| Local area | Jefferson |
| Coordinates | 41.0039, -91.9576 |
| 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 52556 to Fairfield, 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 | Fairfield |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 41.0039, -91.9576 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 52557 | Fairfield | Iowa | 1 mi |
| 52567 | Libertyville | Iowa | 5.1 mi |
| 52533 | Batavia | Iowa | 9.7 mi |
| 52535 | Birmingham | Iowa | 9.8 mi |
| 52580 | Packwood | Iowa | 10 mi |
| 52635 | Lockridge | Iowa | 10.1 mi |
| 52540 | Brighton | Iowa | 12.4 mi |
| 52651 | Stockport | Iowa | 12.5 mi |
| 52585 | Richland | Iowa | 13.2 mi |
| 52551 | Douds | Iowa | 13.3 mi |
| 52642 | Rome | Iowa | 14 mi |
| 52588 | Selma | Iowa | 14.9 mi |