ZIP Code 37031: Castalian Springs, TN
County: Sumner
Coordinates: 36.38060, -86.31070
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 37031, serving Castalian Springs in TN. It lies in Sumner and supports delivery, planning, and address verification.
| Primary City | Castalian Springs |
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| ZIP Code | 37031 |
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| County | Sumner |
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| State | TN |
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| Latitude / Longitude | 36.38060, -86.31070 |
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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 37031 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 37031 are listed as 36.38060 / -86.31070, useful for GPS and service checks in and around Castalian Springs, TN.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37031 for mail delivery and general location reference in
Sumner,
TN.
This ZIP may extend beyond the city core into nearby communities within Sumner.
Related ZIP Codes (Nearby)
Explore other postal codes near Castalian Springs within TN.
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Frequently Asked Questions
What is the primary city for ZIP code 37031?
The primary city for this ZIP code is Castalian Springs, located in TN.
In which county is 37031 located?
ZIP code 37031 is situated within Sumner, TN.
What are the coordinates for 37031?
The approximate center point is 36.38060 (Latitude) and -86.31070 (Longitude).
Is ZIP code 37031 active?
This page lists ZIP 37031 as Listed based on the latest refresh date shown above.
Does ZIP 37031 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