Find the last 4 digits (ZIP+4) for an address in 95666

ZIP 95666, Pioneer, CA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 95666 – Pioneer, CA

Pioneer, California · Amador County · Pacific time

ZIP code95666
CityPioneer
StateCalifornia
CountyAmador County
Population5,994
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area83.98 sq mi
Center (lat, long)38.5414, -120.3291

Area codes in this area

530837

These are the area codes that most often serve ZIP 95666 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

95684 Somerset · 9.4 mi95636 Grizzly Flats · 9.8 mi95255 West Point · 11.7 mi95257 Wilseyville · 13.4 mi95644 Kit Carson · 14.7 mi95726 Pollock Pines · 15.9 mi95689 Volcano · 16.2 mi95248 Rail Road Flat · 17 mi

About ZIP 95666

ZIP code 95666 is assigned to Pioneer, California. It lies in Amador County. Its Census area covers about 83.98 square miles of land. The closest neighboring ZIP is 95684 (Somerset), about 9.4 miles away.

Every address in 95666 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources