Postal entity record
US 62002 Postal Code Data Source-backed
62002 postal code facts for Alton, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceAlton
RegionIL
Nearby rows12
Key metadata
| Place | Alton |
|---|---|
| Admin area | Illinois / IL |
| Local area | Madison |
| Coordinates | 38.9087, -90.1568 |
| 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 62002 to Alton, 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 | Alton |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 38.9087, -90.1568 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 62035 | Godfrey | Illinois | 3.7 mi |
| 62018 | Cottage Hills | Illinois | 4 mi |
| 62024 | East Alton | Illinois | 4.4 mi |
| 62095 | Wood River | Illinois | 4.8 mi |
| 63386 | West Alton | Missouri | 4.9 mi |
| 62084 | Roxana | Illinois | 5.9 mi |
| 62010 | Bethalto | Illinois | 6.6 mi |
| 62048 | Hartford | Illinois | 6.6 mi |
| 63138 | Saint Louis | Missouri | 7.8 mi |
| 62087 | South Roxana | Illinois | 8 mi |
| 62012 | Brighton | Illinois | 8.8 mi |
| 63034 | Florissant | Missouri | 9 mi |