In which county is ZIP code 75166 located?

ZIP 75166 is listed under Collin, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 75166: Lavon, TX

ZIP: 75166

County: Collin

Coordinates: 33.01390, -96.43770

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Lavon, TX postal area 75166. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Lavon
ZIP Code	75166
County	Collin
State	TX
Latitude / Longitude	33.01390, -96.43770
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 75166 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 75166 are listed as 33.01390 / -96.43770, useful for GPS and service checks in and around Lavon, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 75166 for mail delivery and general location reference in Collin, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Lavon within TX.

Frequently Asked Questions

What is the primary city for ZIP code 75166?

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

In which county is 75166 located?

ZIP code 75166 is situated within Collin, TX.

What are the coordinates for 75166?

The approximate center point is 33.01390 (Latitude) and -96.43770 (Longitude).

Is ZIP code 75166 active?

This page lists ZIP 75166 as Listed based on the latest refresh date shown above.

Does ZIP 75166 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