Postal entity record
US 62239 Postal Code Data Source-backed
62239 postal code facts for Dupo, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceDupo
RegionIL
Nearby rows12
Key metadata
| Place | Dupo |
|---|---|
| Admin area | Illinois / IL |
| Local area | St. Clair |
| Coordinates | 38.5162, -90.2104 |
| 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 62239 to Dupo, 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 | Dupo |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 38.5162, -90.2104 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 62240 | East Carondelet | Illinois | 1.4 mi |
| 62206 | East Saint Louis | Illinois | 3.9 mi |
| 63111 | Saint Louis | Missouri | 3.9 mi |
| 63125 | Saint Louis | Missouri | 5 mi |
| 63116 | Saint Louis | Missouri | 5.3 mi |
| 63118 | Saint Louis | Missouri | 5.5 mi |
| 62236 | Columbia | Illinois | 5.8 mi |
| 63109 | Saint Louis | Missouri | 6.5 mi |
| 63123 | Saint Louis | Missouri | 6.5 mi |
| 62207 | East Saint Louis | Illinois | 6.6 mi |
| 63104 | Saint Louis | Missouri | 6.7 mi |
| 62202 | East Saint Louis | Illinois | 7.5 mi |