Postal entity record
US 49406 Postal Code Data Source-backed
49406 postal code facts for Douglas, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceDouglas
RegionMI
Nearby rows12
Key metadata
| Place | Douglas |
|---|---|
| Admin area | Michigan / MI |
| Local area | Allegan |
| Coordinates | 42.6369, -86.2022 |
| 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 49406 to Douglas, 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 | Douglas |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 42.6369, -86.2022 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 49453 | Saugatuck | Michigan | 2 mi |
| 49408 | Fennville | Michigan | 5.7 mi |
| 49416 | Glenn | Michigan | 8.2 mi |
| 49434 | Macatawa | Michigan | 9.2 mi |
| 49423 | Holland | Michigan | 10.1 mi |
| 49422 | Holland | Michigan | 11.4 mi |
| 49419 | Hamilton | Michigan | 12.1 mi |
| 49424 | Holland | Michigan | 12.6 mi |
| 49450 | Pullman | Michigan | 13.4 mi |
| 49063 | Lacota | Michigan | 15.9 mi |
| 49090 | South Haven | Michigan | 16.3 mi |
| 49464 | Zeeland | Michigan | 16.3 mi |