In which county is ZIP code 57544 located?

ZIP 57544 is listed under Lyman, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57544: Kennebec, SD

ZIP: 57544

County: Lyman

Coordinates: 43.89210, -99.85020

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Kennebec, SD postal area 57544. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Kennebec
ZIP Code	57544
County	Lyman
State	SD
Latitude / Longitude	43.89210, -99.85020
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 57544 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 57544 are listed as 43.89210 / -99.85020, useful for GPS and service checks in and around Kennebec, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57544 for mail delivery and general location reference in Lyman, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Kennebec within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57544?

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

In which county is 57544 located?

ZIP code 57544 is situated within Lyman, SD.

What are the coordinates for 57544?

The approximate center point is 43.89210 (Latitude) and -99.85020 (Longitude).

Is ZIP code 57544 active?

This page lists ZIP 57544 as Listed based on the latest refresh date shown above.

Does ZIP 57544 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