Postal entity record
US 77640 Postal Code Data Source-backed
77640 postal code facts for Port Arthur, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlacePort Arthur
RegionTX
Nearby rows12
Key metadata
| Place | Port Arthur |
|---|---|
| Admin area | Texas / TX |
| Local area | Jefferson |
| Coordinates | 29.8709, -93.9643 |
| 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 77640 to Port Arthur, 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 | Port Arthur |
| postal_code | admin_area | Texas |
| postal_code | centroid | 29.8709, -93.9643 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 77642 | Port Arthur | Texas | 4.1 mi |
| 77619 | Groves | Texas | 5.9 mi |
| 77627 | Nederland | Texas | 7.3 mi |
| 77651 | Port Neches | Texas | 7.3 mi |
| 77643 | Port Arthur | Texas | 8.5 mi |
| 77641 | Port Arthur | Texas | 10 mi |
| 77655 | Sabine Pass | Texas | 10.4 mi |
| 77611 | Bridge City | Texas | 12.9 mi |
| 77705 | Beaumont | Texas | 13.8 mi |
| 77639 | Orangefield | Texas | 14.7 mi |
| 77630 | Orange | Texas | 15 mi |
| 77701 | Beaumont | Texas | 16 mi |