Postal entity record
US 52140 Postal Code Data Source-backed
52140 postal code facts for Dorchester, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceDorchester
RegionIA
Nearby rows12
Key metadata
| Place | Dorchester |
|---|---|
| Admin area | Iowa / IA |
| Local area | Allamakee |
| Coordinates | 43.4421, -91.5076 |
| 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 52140 to Dorchester, 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 | Dorchester |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 43.4421, -91.5076 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 55931 | Eitzen | Minnesota | 5.1 mi |
| 52149 | Highlandville | Iowa | 9.3 mi |
| 55974 | Spring Grove | Minnesota | 10.5 mi |
| 52160 | New Albin | Iowa | 11.2 mi |
| 52172 | Waukon | Iowa | 12.4 mi |
| 55921 | Caledonia | Minnesota | 12.5 mi |
| 52151 | Lansing | Iowa | 13.2 mi |
| 55954 | Mabel | Minnesota | 15.4 mi |
| 52101 | Decorah | Iowa | 16.6 mi |
| 55919 | Brownsville | Minnesota | 18.9 mi |
| 54624 | De Soto | Wisconsin | 19 mi |
| 52170 | Waterville | Iowa | 19.3 mi |