Postal entity record
US 51054 Postal Code Data Source-backed
51054 postal code facts for Sergeant Bluff, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceSergeant Bluff
RegionIA
Nearby rows12
Key metadata
| Place | Sergeant Bluff |
|---|---|
| Admin area | Iowa / IA |
| Local area | Woodbury |
| Coordinates | 42.4019, -96.3534 |
| 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 51054 to Sergeant Bluff, 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 | Sergeant Bluff |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 42.4019, -96.3534 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 51111 | Sioux City | Iowa | 1 mi |
| 51102 | Sioux City | Iowa | 2.9 mi |
| 51106 | Sioux City | Iowa | 4.5 mi |
| 68731 | Dakota City | Nebraska | 5.3 mi |
| 68776 | South Sioux City | Nebraska | 5.5 mi |
| 51052 | Salix | Iowa | 6 mi |
| 51101 | Sioux City | Iowa | 7.1 mi |
| 51105 | Sioux City | Iowa | 7.2 mi |
| 68030 | Homer | Nebraska | 7.5 mi |
| 51007 | Bronson | Iowa | 8.1 mi |
| 51103 | Sioux City | Iowa | 8.2 mi |
| 51104 | Sioux City | Iowa | 8.9 mi |