Postal entity record
US 61812 Postal Code Data Source-backed
61812 postal code facts for Armstrong, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceArmstrong
RegionIL
Nearby rows12
Key metadata
| Place | Armstrong |
|---|---|
| Admin area | Illinois / IL |
| Local area | Vermilion |
| Coordinates | 40.2175, -87.8943 |
| 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 61812 to Armstrong, 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 | Armstrong |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 40.2175, -87.8943 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61871 | Royal | Illinois | 4.6 mi |
| 61831 | Collison | Illinois | 5 mi |
| 61859 | Ogden | Illinois | 6.6 mi |
| 61844 | Fithian | Illinois | 6.8 mi |
| 61862 | Penfield | Illinois | 7.2 mi |
| 61865 | Potomac | Illinois | 7.3 mi |
| 61857 | Muncie | Illinois | 7.5 mi |
| 61858 | Oakwood | Illinois | 9.1 mi |
| 61847 | Gifford | Illinois | 9.3 mi |
| 61873 | Saint Joseph | Illinois | 10.5 mi |
| 61848 | Henning | Illinois | 11.8 mi |
| 61834 | Danville | Illinois | 12.3 mi |