There are 8 Post Offices in Colusa County, California, serving a population of 21,479 people in an area of 1,151 square miles. There is 1 Post Office per 2,684 people, and 1 Post Office per 143 square miles.
In California, Colusa County is ranked 12th of 58 counties in Post Offices per capita, and 36th of 58 counties in Post Offices per square mile.
Find Colusa County, California post offices and USPS mailing boxes.
Arbuckle Post Office 415 5th Street Arbuckle, CA
Colusa Post Office 357 Market Street Colusa, CA
Grimes Post Office 170 Main Street Grimes, CA
Maxwell Post Office 260 Oak Street Colusa, CA
Meridian Post Office 1041 3rd Street Colusa, CA
Princeton Post Office 149 Commercial Street Princeton, CA
Stonyford Post Office 259 Market Street Stonyford, CA
Williams Post Office 801 E Street Williams, CA
Colusa County Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Colusa County, CA. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Colusa 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: