In which county is ZIP code 57330 located?

ZIP 57330 is listed under Douglas, SD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 57330: Delmont, SD

ZIP: 57330

County: Douglas

Coordinates: 43.25730, -98.15960

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 57330 in Delmont, SD. We include verified county details for Douglas plus key geographic references used for mapping and logistics.

Primary City	Delmont
ZIP Code	57330
County	Douglas
State	SD
Latitude / Longitude	43.25730, -98.15960
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 57330 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 57330 is commonly represented around 43.25730, -98.15960. These coordinates help identify the general area within Douglas, SD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57330 for mail delivery and general location reference in Douglas, SD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Delmont within SD.

Frequently Asked Questions

What is the primary city for ZIP code 57330?

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

In which county is 57330 located?

ZIP code 57330 is situated within Douglas, SD.

What are the coordinates for 57330?

The approximate center point is 43.25730 (Latitude) and -98.15960 (Longitude).

Is ZIP code 57330 active?

This page lists ZIP 57330 as Listed based on the latest refresh date shown above.

Does ZIP 57330 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