In which county is ZIP code 89403 located?

ZIP 89403 is listed under Lyon, NV.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 89403: Dayton, NV

ZIP: 89403

County: Lyon

Coordinates: 39.28060, -119.52870

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Explore detailed information for ZIP code 89403 in Dayton, NV. We include verified county details for Lyon plus key geographic references used for mapping and logistics.

Primary City	Dayton
ZIP Code	89403
County	Lyon
State	NV
Latitude / Longitude	39.28060, -119.52870
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 89403 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 89403 are listed as 39.28060 / -119.52870, useful for GPS and service checks in and around Dayton, NV.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 89403 for mail delivery and general location reference in Lyon, NV.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Dayton within NV.

Frequently Asked Questions

What is the primary city for ZIP code 89403?

The primary city for this ZIP code is Dayton, located in NV.

In which county is 89403 located?

ZIP code 89403 is situated within Lyon, NV.

What are the coordinates for 89403?

The approximate center point is 39.28060 (Latitude) and -119.52870 (Longitude).

Is ZIP code 89403 active?

This page lists ZIP 89403 as Listed based on the latest refresh date shown above.

Does ZIP 89403 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