ZIP Code 37721: Corryton, TN
County: Knox County
Coordinates: 36.12000, -83.81300
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Explore detailed information for ZIP code 37721 in Corryton, TN. We include verified county details for Knox County plus key geographic references used for mapping and logistics.
| Primary City | Corryton |
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| ZIP Code | 37721 |
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| County | Knox County |
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| State | TN |
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| Latitude / Longitude | 36.12000, -83.81300 |
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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 37721 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 37721 is commonly represented around 36.12000, -83.81300. These coordinates help identify the general area within Knox County, TN.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37721 for mail delivery and general location reference in
Knox County,
TN.
Some addresses near Corryton may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Corryton within TN.
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Frequently Asked Questions
What is the primary city for ZIP code 37721?
The primary city for this ZIP code is Corryton, located in TN.
In which county is 37721 located?
ZIP code 37721 is situated within Knox County, TN.
What are the coordinates for 37721?
The approximate center point is 36.12000 (Latitude) and -83.81300 (Longitude).
Is ZIP code 37721 active?
This page lists ZIP 37721 as Listed based on the latest refresh date shown above.
Does ZIP 37721 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