In which county is ZIP code 57266 located?

ZIP 57266 is listed under Roberts, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57266: Summit, SD

ZIP: 57266

County: Roberts

Coordinates: 45.35210, -97.04270

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Summit, SD postal area 57266. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Summit
ZIP Code	57266
County	Roberts
State	SD
Latitude / Longitude	45.35210, -97.04270
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 57266 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57266 is commonly represented around 45.35210, -97.04270. These coordinates help identify the general area within Roberts, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57266 for mail delivery and general location reference in Roberts, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Summit within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57266?

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

In which county is 57266 located?

ZIP code 57266 is situated within Roberts, SD.

What are the coordinates for 57266?

The approximate center point is 45.35210 (Latitude) and -97.04270 (Longitude).

Is ZIP code 57266 active?

This page lists ZIP 57266 as Listed based on the latest refresh date shown above.

Does ZIP 57266 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