In which county is ZIP code 57755 located?

ZIP 57755 is listed under Harding, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57755: Ludlow, SD

ZIP: 57755

County: Harding

Coordinates: 45.83660, -103.34910

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 57755, serving Ludlow in SD. It lies in Harding and supports delivery, planning, and address verification.

Primary City	Ludlow
ZIP Code	57755
County	Harding
State	SD
Latitude / Longitude	45.83660, -103.34910
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 57755 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57755 is commonly represented around 45.83660, -103.34910. These coordinates help identify the general area within Harding, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57755 for mail delivery and general location reference in Harding, SD.

This ZIP may extend beyond the city core into nearby communities within Harding.

Related ZIP Codes (Nearby)

Explore other postal codes near Ludlow within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57755?

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

In which county is 57755 located?

ZIP code 57755 is situated within Harding, SD.

What are the coordinates for 57755?

The approximate center point is 45.83660 (Latitude) and -103.34910 (Longitude).

Is ZIP code 57755 active?

This page lists ZIP 57755 as Listed based on the latest refresh date shown above.

Does ZIP 57755 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