In which county is ZIP code 57656 located?

ZIP 57656 is listed under Dewey, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57656: Timber Lake, SD

ZIP: 57656

County: Dewey

Coordinates: 45.39270, -101.03510

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 57656 in Timber Lake, SD. We include verified county details for Dewey plus key geographic references used for mapping and logistics.

Primary City	Timber Lake
ZIP Code	57656
County	Dewey
State	SD
Latitude / Longitude	45.39270, -101.03510
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 57656 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57656 are listed as 45.39270 / -101.03510, useful for GPS and service checks in and around Timber Lake, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57656 for mail delivery and general location reference in Dewey, SD.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Timber Lake.

Related ZIP Codes (Nearby)

Explore other postal codes near Timber Lake within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57656?

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

In which county is 57656 located?

ZIP code 57656 is situated within Dewey, SD.

What are the coordinates for 57656?

The approximate center point is 45.39270 (Latitude) and -101.03510 (Longitude).

Is ZIP code 57656 active?

This page lists ZIP 57656 as Listed based on the latest refresh date shown above.

Does ZIP 57656 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