In which county is ZIP code 57441 located?

ZIP 57441 is listed under Brown, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57441: Frederick, SD

ZIP: 57441

County: Brown

Coordinates: 45.84930, -98.51760

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Frederick, SD postal area 57441. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Frederick
ZIP Code	57441
County	Brown
State	SD
Latitude / Longitude	45.84930, -98.51760
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 57441 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 57441 is approximately 45.84930 (latitude) and -98.51760 (longitude). This location sits within Brown, contributing to regional planning across SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57441 for mail delivery and general location reference in Brown, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Frederick within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57441?

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

In which county is 57441 located?

ZIP code 57441 is situated within Brown, SD.

What are the coordinates for 57441?

The approximate center point is 45.84930 (Latitude) and -98.51760 (Longitude).

Is ZIP code 57441 active?

This page lists ZIP 57441 as Listed based on the latest refresh date shown above.

Does ZIP 57441 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