ZIP Code 37881: Thorn Hill, TN
County: Grainger
Coordinates: 36.39170, -83.36600
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Get a reliable snapshot of the Thorn Hill, TN postal area 37881. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Thorn Hill |
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| ZIP Code | 37881 |
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| County | Grainger |
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| State | TN |
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| Latitude / Longitude | 36.39170, -83.36600 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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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 37881 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 37881 is commonly represented around 36.39170, -83.36600. These coordinates help identify the general area within Grainger, TN.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37881 for mail delivery and general location reference in
Grainger,
TN.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Thorn Hill.
Related ZIP Codes (Nearby)
Explore other postal codes near Thorn Hill within TN.
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Frequently Asked Questions
What is the primary city for ZIP code 37881?
The primary city for this ZIP code is Thorn Hill, located in TN.
In which county is 37881 located?
ZIP code 37881 is situated within Grainger, TN.
What are the coordinates for 37881?
The approximate center point is 36.39170 (Latitude) and -83.36600 (Longitude).
Is ZIP code 37881 active?
This page lists ZIP 37881 as Listed based on the latest refresh date shown above.
Does ZIP 37881 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