In which county is ZIP code 57738 located?

ZIP 57738 is listed under Custer, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57738: Fairburn, SD

ZIP: 57738

County: Custer

Coordinates: 43.66230, -103.21330

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 57738, serving Fairburn in SD. It lies in Custer and supports delivery, planning, and address verification.

Primary City	Fairburn
ZIP Code	57738
County	Custer
State	SD
Latitude / Longitude	43.66230, -103.21330
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 57738 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57738 is commonly represented around 43.66230, -103.21330. These coordinates help identify the general area within Custer, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57738 for mail delivery and general location reference in Custer, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Fairburn within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57738?

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

In which county is 57738 located?

ZIP code 57738 is situated within Custer, SD.

What are the coordinates for 57738?

The approximate center point is 43.66230 (Latitude) and -103.21330 (Longitude).

Is ZIP code 57738 active?

This page lists ZIP 57738 as Listed based on the latest refresh date shown above.

Does ZIP 57738 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