Postal entity record
US 49457 Postal Code Data Source-backed
49457 postal code facts for Twin Lake, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceTwin Lake
RegionMI
Nearby rows12
Key metadata
| Place | Twin Lake |
|---|---|
| Admin area | Michigan / MI |
| Local area | Muskegon |
| Coordinates | 43.3414, -86.1633 |
| 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 49457 to Twin Lake, 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 | Twin Lake |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 43.3414, -86.1633 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 49445 | Muskegon | Michigan | 6.6 mi |
| 49425 | Holton | Michigan | 6.9 mi |
| 49442 | Muskegon | Michigan | 7.6 mi |
| 49443 | Muskegon | Michigan | 8.6 mi |
| 49440 | Muskegon | Michigan | 8.7 mi |
| 49461 | Whitehall | Michigan | 9.1 mi |
| 49444 | Muskegon | Michigan | 11.4 mi |
| 49441 | Muskegon | Michigan | 11.5 mi |
| 49437 | Montague | Michigan | 12 mi |
| 49412 | Fremont | Michigan | 13.2 mi |
| 49463 | Sylvan Beach | Michigan | 13.3 mi |
| 49451 | Ravenna | Michigan | 13.5 mi |