In which county is ZIP code 75640 located?

ZIP 75640 is listed under Upshur County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 75640: Diana, TX

ZIP: 75640

County: Upshur County

Coordinates: 32.76980, -94.70320

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Diana, TX postal area 75640. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Diana
ZIP Code	75640
County	Upshur County
State	TX
Latitude / Longitude	32.76980, -94.70320
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 75640 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 75640 are listed as 32.76980 / -94.70320, useful for GPS and service checks in and around Diana, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 75640 for mail delivery and general location reference in Upshur County, TX.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Diana.

Related ZIP Codes (Nearby)

Explore other postal codes near Diana within TX.

Frequently Asked Questions

What is the primary city for ZIP code 75640?

The primary city for this ZIP code is Diana, located in TX.

In which county is 75640 located?

ZIP code 75640 is situated within Upshur County, TX.

What are the coordinates for 75640?

The approximate center point is 32.76980 (Latitude) and -94.70320 (Longitude).

Is ZIP code 75640 active?

This page lists ZIP 75640 as Listed based on the latest refresh date shown above.

Does ZIP 75640 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