Postal entity record
US 52040 Postal Code Data Source-backed
52040 postal code facts for Dyersville, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceDyersville
RegionIA
Nearby rows12
Key metadata
| Place | Dyersville |
|---|---|
| Admin area | Iowa / IA |
| Local area | Dubuque |
| Coordinates | 42.4833, -91.1183 |
| 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 52040 to Dyersville, 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 | Dyersville |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 42.4833, -91.1183 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 52065 | New Vienna | Iowa | 5.9 mi |
| 52046 | Farley | Iowa | 6.2 mi |
| 52078 | Worthington | Iowa | 6.3 mi |
| 52056 | Luxemburg | Iowa | 7.2 mi |
| 52041 | Earlville | Iowa | 7.3 mi |
| 52036 | Delaware | Iowa | 9.8 mi |
| 52045 | Epworth | Iowa | 9.9 mi |
| 52053 | Holy Cross | Iowa | 10 mi |
| 52035 | Colesburg | Iowa | 11.4 mi |
| 52223 | Delhi | Iowa | 11.5 mi |
| 52237 | Hopkinton | Iowa | 11.7 mi |
| 52050 | Greeley | Iowa | 12.9 mi |