ZIP Code 57520: Agar, SD
County: Sully
Coordinates: 44.83930, -100.07120
ZIP Type: Standard
Time Zone: Mountain Time (MT)
Explore detailed information for ZIP code 57520 in Agar, SD. We include verified county details for Sully plus key geographic references used for mapping and logistics.
| Primary City | Agar |
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| ZIP Code | 57520 |
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| County | Sully |
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| State | SD |
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| Latitude / Longitude | 44.83930, -100.07120 |
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| ZIP Type | Standard |
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| Time Zone | Mountain Time (MT) |
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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 57520 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 57520 are listed as 44.83930 / -100.07120, useful for GPS and service checks in and around Agar, SD.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 57520 for mail delivery and general location reference in
Sully,
SD.
Some addresses near Agar may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Agar within SD.
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Frequently Asked Questions
What is the primary city for ZIP code 57520?
The primary city for this ZIP code is Agar, located in SD.
In which county is 57520 located?
ZIP code 57520 is situated within Sully, SD.
What are the coordinates for 57520?
The approximate center point is 44.83930 (Latitude) and -100.07120 (Longitude).
Is ZIP code 57520 active?
This page lists ZIP 57520 as Listed based on the latest refresh date shown above.
Does ZIP 57520 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