Postal entity record

US 57030 Postal Code Data Source-backed

57030 postal code facts for Garretson, US: region, coordinates, source, and nearby postal codes.

CountryUS

PlaceGarretson

RegionSD

Nearby rows12

Key metadata

Place	Garretson
Admin area	South Dakota / SD
Local area	Minnehaha
Coordinates	43.7162, -96.5196
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 57030 to Garretson, 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	Garretson
postal_code	admin_area	South Dakota
postal_code	centroid	43.7162, -96.5196

Nearby postal codes

Code	Place	Region	Distance
57005	Brandon	South Dakota	9.2 mi
57068	Valley Springs	South Dakota	9.7 mi
56116	Beaver Creek	Minnesota	9.9 mi
57055	Renner	South Dakota	11.1 mi
56144	Jasper	Minnesota	11.8 mi
57003	Baltic	South Dakota	11.9 mi
57022	Dell Rapids	South Dakota	12.5 mi
57110	Sioux Falls	South Dakota	12.9 mi
57065	Trent	South Dakota	13.5 mi
57109	Sioux Falls	South Dakota	13.9 mi
57117	Sioux Falls	South Dakota	13.9 mi
57118	Sioux Falls	South Dakota	13.9 mi