In which county is ZIP code 57659 located?

ZIP 57659 is listed under Corson, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57659: Walker, SD

ZIP: 57659

County: Corson

Coordinates: 45.91030, -101.09040

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Walker, SD postal area 57659. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Walker
ZIP Code	57659
County	Corson
State	SD
Latitude / Longitude	45.91030, -101.09040
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 57659 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57659 are listed as 45.91030 / -101.09040, useful for GPS and service checks in and around Walker, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57659 for mail delivery and general location reference in Corson, SD.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Walker.

Related ZIP Codes (Nearby)

Explore other postal codes near Walker within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57659?

The primary city for this ZIP code is Walker, located in SD.

In which county is 57659 located?

ZIP code 57659 is situated within Corson, SD.

What are the coordinates for 57659?

The approximate center point is 45.91030 (Latitude) and -101.09040 (Longitude).

Is ZIP code 57659 active?

This page lists ZIP 57659 as Listed based on the latest refresh date shown above.

Does ZIP 57659 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08