In which county is ZIP code 57234 located?

ZIP 57234 is listed under Hamlin, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57234: Estelline, SD

ZIP: 57234

County: Hamlin

Coordinates: 44.60290, -96.89280

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 57234, serving Estelline in SD. It lies in Hamlin and supports delivery, planning, and address verification.

Primary City	Estelline
ZIP Code	57234
County	Hamlin
State	SD
Latitude / Longitude	44.60290, -96.89280
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 57234 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57234 are listed as 44.60290 / -96.89280, useful for GPS and service checks in and around Estelline, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57234 for mail delivery and general location reference in Hamlin, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Estelline within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57234?

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

In which county is 57234 located?

ZIP code 57234 is situated within Hamlin, SD.

What are the coordinates for 57234?

The approximate center point is 44.60290 (Latitude) and -96.89280 (Longitude).

Is ZIP code 57234 active?

This page lists ZIP 57234 as Listed based on the latest refresh date shown above.

Does ZIP 57234 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