Postal entity record
US 61341 Postal Code Data Source-backed
61341 postal code facts for Marseilles, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMarseilles
RegionIL
Nearby rows12
Key metadata
| Place | Marseilles |
|---|---|
| Admin area | Illinois / IL |
| Local area | LaSalle |
| Coordinates | 41.3302, -88.6947 |
| 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 61341 to Marseilles, 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 | Marseilles |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 41.3302, -88.6947 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61360 | Seneca | Illinois | 4.5 mi |
| 61350 | Ottawa | Illinois | 7.8 mi |
| 60557 | Wedron | Illinois | 8.6 mi |
| 61325 | Grand Ridge | Illinois | 9 mi |
| 60479 | Verona | Illinois | 10.8 mi |
| 60549 | Serena | Illinois | 12.1 mi |
| 60470 | Ransom | Illinois | 12.5 mi |
| 60551 | Sheridan | Illinois | 12.9 mi |
| 60437 | Kinsman | Illinois | 13.7 mi |
| 60450 | Morris | Illinois | 14.6 mi |
| 60444 | Mazon | Illinois | 15.9 mi |
| 61364 | Streator | Illinois | 16 mi |