There are 2 Post Offices in San Carlos, California, serving a population of 29,954 people in an area of 6 square miles. There is 1 Post Office per 14,977 people, and 1 Post Office per 2 square miles.
In California, San Carlos is ranked 849th of 1798 cities in Post Offices per capita, and 566th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for San Carlos Post Offices.
US Post Office 1101 Industrial Road San Carlos, CA Mailing Service, Postal Services
United States Postal Service 809 Laurel Street San Carlos, CA Mailing Service, Postal Services