County Postal Hub • FIPS 06049
Modoc County, CA ZIP Codes & Directory
Complete postal guide for Modoc County, California. Featuring the official county seat of Alturas, largest municipality Alturas, and serving 7 incorporated municipal entities.
County Seat Alturas
Total Population 8,700
Land Area 3,918 sq mi
FIPS Code 06049
Municipalities Located in Modoc County
Incorporated Cities, Towns, and Villages
7 Cities
0 Towns
Active USPS ZIP Codes in Modoc County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Modoc County, CA
What is the county seat and largest city in Modoc County? ▾
The official county seat of Modoc County is Alturas, and its largest incorporated municipality by population is Alturas.
How many cities, towns, and villages are in Modoc County? ▾
Modoc County encompasses 7 incorporated municipal entities, including 7 cities, 0 towns, and 0 villages.
What is the total population and land area of Modoc County? ▾
According to official U.S. Census Bureau data, Modoc County has a population of approximately 8,700 residents and spans an area of 3,918 square miles.
How many ZIP codes operate in Modoc County? ▾
There are 7 active USPS ZIP codes serving addresses within Modoc County, California.