There are 2 Post Offices in San Marino, California, serving a population of 13,331 people in an area of 4 square miles. There is 1 Post Office per 6,665 people, and 1 Post Office per 1 square miles.
In California, San Marino is ranked 684th of 1798 cities in Post Offices per capita, and 449th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for San Marino Post Offices.
San Marino Post Office 2465 Huntington Drive San Marino, CA
United States Postal Service 2960 Huntington Drive San Marino, CA Mailing Service, Postal Services