Postal entity record
US 49427 Postal Code Data Source-backed
49427 postal code facts for Jamestown, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceJamestown
RegionMI
Nearby rows12
Key metadata
| Place | Jamestown |
|---|---|
| Admin area | Michigan / MI |
| Local area | Ottawa |
| Coordinates | 42.8267, -85.8444 |
| 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 49427 to Jamestown, 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 | Jamestown |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 42.8267, -85.8444 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 49426 | Hudsonville | Michigan | 3.7 mi |
| 49428 | Jenison | Michigan | 5.8 mi |
| 49418 | Grandville | Michigan | 6.2 mi |
| 49429 | Jenison | Michigan | 6.2 mi |
| 49314 | Burnips | Michigan | 6.6 mi |
| 49315 | Byron Center | Michigan | 6.9 mi |
| 49468 | Grandville | Michigan | 7.1 mi |
| 49519 | Wyoming | Michigan | 8 mi |
| 49323 | Dorr | Michigan | 8.3 mi |
| 49464 | Zeeland | Michigan | 8.4 mi |
| 49509 | Wyoming | Michigan | 9.2 mi |
| 49548 | Grand Rapids | Michigan | 9.7 mi |