ZIP Code 57261: Roslyn, SD
County: Day
Coordinates: 45.50060, -97.54010
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 57261, serving Roslyn in SD. It lies in Day and supports delivery, planning, and address verification.
| Primary City | Roslyn |
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| ZIP Code | 57261 |
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| County | Day |
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| State | SD |
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| Latitude / Longitude | 45.50060, -97.54010 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 57261 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 57261 is approximately 45.50060 (latitude) and -97.54010 (longitude). This location sits within Day, contributing to regional planning across SD.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57261 for mail delivery and general location reference in
Day,
SD.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Roslyn.
Related ZIP Codes (Nearby)
Explore other postal codes near Roslyn within SD.
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Frequently Asked Questions
What is the primary city for ZIP code 57261?
The primary city for this ZIP code is Roslyn, located in SD.
In which county is 57261 located?
ZIP code 57261 is situated within Day, SD.
What are the coordinates for 57261?
The approximate center point is 45.50060 (Latitude) and -97.54010 (Longitude).
Is ZIP code 57261 active?
This page lists ZIP 57261 as Listed based on the latest refresh date shown above.
Does ZIP 57261 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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