In which county is ZIP code 57571 located?

ZIP 57571 is listed under Gregory, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57571: Saint Charles, SD

ZIP: 57571

County: Gregory

Coordinates: 43.08520, -99.09250

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 57571, serving Saint Charles in SD. It lies in Gregory and supports delivery, planning, and address verification.

Primary City	Saint Charles
ZIP Code	57571
County	Gregory
State	SD
Latitude / Longitude	43.08520, -99.09250
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 57571 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57571 is commonly represented around 43.08520, -99.09250. These coordinates help identify the general area within Gregory, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57571 for mail delivery and general location reference in Gregory, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Saint Charles within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57571?

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

In which county is 57571 located?

ZIP code 57571 is situated within Gregory, SD.

What are the coordinates for 57571?

The approximate center point is 43.08520 (Latitude) and -99.09250 (Longitude).

Is ZIP code 57571 active?

This page lists ZIP 57571 as Listed based on the latest refresh date shown above.

Does ZIP 57571 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