In which county is ZIP code 57650 located?

ZIP 57650 is listed under Harding, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57650: Ralph, SD

ZIP: 57650

County: Harding

Coordinates: 45.85540, -103.03560

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 57650 in Ralph, SD. We include verified county details for Harding plus key geographic references used for mapping and logistics.

Primary City	Ralph
ZIP Code	57650
County	Harding
State	SD
Latitude / Longitude	45.85540, -103.03560
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 57650 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57650 are listed as 45.85540 / -103.03560, useful for GPS and service checks in and around Ralph, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57650 for mail delivery and general location reference in Harding, SD.

Some addresses near Ralph may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Ralph within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57650?

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

In which county is 57650 located?

ZIP code 57650 is situated within Harding, SD.

What are the coordinates for 57650?

The approximate center point is 45.85540 (Latitude) and -103.03560 (Longitude).

Is ZIP code 57650 active?

This page lists ZIP 57650 as Listed based on the latest refresh date shown above.

Does ZIP 57650 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