There are 7 Post Offices in Sierra County, California, serving a population of 2,885 people in an area of 953 square miles. There is 1 Post Office per 412 people, and 1 Post Office per 136 square miles.
In California, Sierra County is ranked 1st of 58 counties in Post Offices per capita, and 33rd of 58 counties in Post Offices per square mile.
Find Sierra County, California post offices and USPS mailing boxes.
Alleghany Post Office 356 Main Street Nevada, CA
Downieville Post Office 301 Main Street Downieville, CA
Goodyears Bar Post Office 22 Post Office Spur Road Goodyears Bar, CA
Loyalton Post Office 500 Main Street Loyalton, CA
Sattley Post Office 131 County Road Calpine, CA
Sierra City Post Office 215 Main Street Sierra City, CA
Sierraville Post Office 306 Lincoln Street Sierraville, CA
Sierra County Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Sierra County, CA. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Sierra County post offices are supported entirely by revenues generated by their own operations. Operational authority over the USPS lies with a Board of Governors and rate setting authority falls under the Postal Rate Commission.You may contact the Post Office for questions about: