How many zip codes does Alleghany, California have?

Alleghany, California has 1 zip code in this directory: 1 standard delivery ZIP.

What is the main zip code for Alleghany, California?

95910 is the most populous Alleghany ZIP code in Census data with about 148 residents.

What is the area code for Alleghany, California?

Alleghany, California uses area code 530.

What time zone is Alleghany, California in?

Alleghany, California is in the Pacific Time Zone.

Alleghany, California Zip Codes

Q: What county is Alleghany, California in?

Alleghany is in Sierra County, California.

📍 Alleghany is in Sierra County, California with 1 zip code; the most populous is 95910.

City

Alleghany

County

Sierra

Zip Codes

Area Code

530

Alleghany is a USPS city name in Sierra County, California with a Census population of approximately 148 across its ZIP codes. Sierra County as a whole has 8 ZIP codes in this directory. Below you'll find every zip code serving Alleghany with population, income and home value, a map, and the city's affordability profile.

Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

All Alleghany Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
95910	Alleghany	Sierra	148	—	$118,600	View →

Alleghany at a Glance

Alleghany has 1 ZIP code in this directory: 1 standard delivery ZIP.

Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.