In which county is ZIP code 95666 located?

ZIP 95666 is listed under Amador, CA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 95666: Pioneer, CA

ZIP: 95666

County: Amador

Coordinates: 38.43190, -120.57190

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Pioneer, CA postal area 95666. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Pioneer
ZIP Code	95666
County	Amador
State	CA
Latitude / Longitude	38.43190, -120.57190
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 95666 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 95666 are listed as 38.43190 / -120.57190, useful for GPS and service checks in and around Pioneer, CA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 95666 for mail delivery and general location reference in Amador, CA.

Some addresses near Pioneer may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Pioneer within CA.

Frequently Asked Questions

What is the primary city for ZIP code 95666?

The primary city for this ZIP code is Pioneer, located in CA.

In which county is 95666 located?

ZIP code 95666 is situated within Amador, CA.

What are the coordinates for 95666?

The approximate center point is 38.43190 (Latitude) and -120.57190 (Longitude).

Is ZIP code 95666 active?

This page lists ZIP 95666 as Listed based on the latest refresh date shown above.

Does ZIP 95666 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