ZIP Code 37148: Portland, TN
County: Sumner
Coordinates: 36.56730, -86.50590
ZIP Type: Standard
Time Zone: Central Time (CT)
Explore detailed information for ZIP code 37148 in Portland, TN. We include verified county details for Sumner plus key geographic references used for mapping and logistics.
| Primary City | Portland |
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| ZIP Code | 37148 |
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| County | Sumner |
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| State | TN |
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| Latitude / Longitude | 36.56730, -86.50590 |
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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 37148 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 37148 is approximately 36.56730 (latitude) and -86.50590 (longitude). This location sits within Sumner, contributing to regional planning across TN.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37148 for mail delivery and general location reference in
Sumner,
TN.
Some addresses near Portland may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Portland within TN.
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Frequently Asked Questions
What is the primary city for ZIP code 37148?
The primary city for this ZIP code is Portland, located in TN.
In which county is 37148 located?
ZIP code 37148 is situated within Sumner, TN.
What are the coordinates for 37148?
The approximate center point is 36.56730 (Latitude) and -86.50590 (Longitude).
Is ZIP code 37148 active?
This page lists ZIP 37148 as Listed based on the latest refresh date shown above.
Does ZIP 37148 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