In which county is ZIP code 37742 located?

ZIP 37742 is listed under Loudon, TN.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 37742: Greenback, TN

ZIP: 37742

County: Loudon

Coordinates: 35.65670, -84.17100

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 37742 in Greenback, TN. We include verified county details for Loudon plus key geographic references used for mapping and logistics.

Primary City	Greenback
ZIP Code	37742
County	Loudon
State	TN
Latitude / Longitude	35.65670, -84.17100
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 37742 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 37742 is approximately 35.65670 (latitude) and -84.17100 (longitude). This location sits within Loudon, contributing to regional planning across TN.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37742 for mail delivery and general location reference in Loudon, TN.

This ZIP may extend beyond the city core into nearby communities within Loudon.

Related ZIP Codes (Nearby)

Explore other postal codes near Greenback within TN.

Frequently Asked Questions

What is the primary city for ZIP code 37742?

The primary city for this ZIP code is Greenback, located in TN.

In which county is 37742 located?

ZIP code 37742 is situated within Loudon, TN.

What are the coordinates for 37742?

The approximate center point is 35.65670 (Latitude) and -84.17100 (Longitude).

Is ZIP code 37742 active?

This page lists ZIP 37742 as Listed based on the latest refresh date shown above.

Does ZIP 37742 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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