In which county is ZIP code 57540 located?

ZIP 57540 is listed under Hyde, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57540: Holabird, SD

ZIP: 57540

County: Hyde

Coordinates: 44.51730, -99.59430

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Holabird, SD postal area 57540. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Holabird
ZIP Code	57540
County	Hyde
State	SD
Latitude / Longitude	44.51730, -99.59430
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 57540 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57540 are listed as 44.51730 / -99.59430, useful for GPS and service checks in and around Holabird, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57540 for mail delivery and general location reference in Hyde, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Holabird within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57540?

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

In which county is 57540 located?

ZIP code 57540 is situated within Hyde, SD.

What are the coordinates for 57540?

The approximate center point is 44.51730 (Latitude) and -99.59430 (Longitude).

Is ZIP code 57540 active?

This page lists ZIP 57540 as Listed based on the latest refresh date shown above.

Does ZIP 57540 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