There are 3 Post Offices in San Mateo, California, serving a population of 103,500 people in an area of 13 square miles. There is 1 Post Office per 34,500 people, and 1 Post Office per 4 square miles.
In California, San Mateo is ranked 874th of 1798 cities in Post Offices per capita, and 541st of 1798 cities in Post Offices per square mile.
Find San Mateo, California post offices and USPS mailing boxes.
25th Avenue Post Office 135 West 25th Avenue San Mateo, CA
Saint Matthew Post Office 210 South Ellsworth Avenue San Mateo, CA
San Mateo Post Office 1630 South Delaware Street San Mateo, CA
San Mateo Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in San Mateo, CA. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. San Mateo 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: