In which county is ZIP code 57401 located?

ZIP 57401 is listed under Brown, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57401: Aberdeen, SD

ZIP: 57401

County: Brown

Coordinates: 45.46610, -98.48560

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Aberdeen, SD postal area 57401. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Aberdeen
ZIP Code	57401
County	Brown
State	SD
Latitude / Longitude	45.46610, -98.48560
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 57401 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57401 is commonly represented around 45.46610, -98.48560. These coordinates help identify the general area within Brown, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57401 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 Aberdeen within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57401?

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

In which county is 57401 located?

ZIP code 57401 is situated within Brown, SD.

What are the coordinates for 57401?

The approximate center point is 45.46610 (Latitude) and -98.48560 (Longitude).

Is ZIP code 57401 active?

This page lists ZIP 57401 as Listed based on the latest refresh date shown above.

Does ZIP 57401 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