Postal entity record
US 61105 Postal Code Data Source-backed
61105 postal code facts for Rockford, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceRockford
RegionIL
Nearby rows12
Key metadata
| Place | Rockford |
|---|---|
| Admin area | Illinois / IL |
| Local area | Winnebago |
| Coordinates | 42.2711, -89.094 |
| 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 61105 to Rockford, 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 | Rockford |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 42.2711, -89.094 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61104 | Rockford | Illinois | 1.4 mi |
| 61101 | Rockford | Illinois | 1.8 mi |
| 61102 | Rockford | Illinois | 1.9 mi |
| 61103 | Rockford | Illinois | 2.1 mi |
| 61107 | Rockford | Illinois | 3 mi |
| 61108 | Rockford | Illinois | 3.9 mi |
| 61109 | Rockford | Illinois | 4.4 mi |
| 61111 | Loves Park | Illinois | 5.1 mi |
| 61106 | Rockford | Illinois | 5.4 mi |
| 61110 | Rockford | Illinois | 5.4 mi |
| 61125 | Rockford | Illinois | 5.4 mi |
| 61126 | Rockford | Illinois | 5.4 mi |