There are 3 Post Offices in Antioch, California, serving a population of 110,026 people in an area of 30 square miles. There is 1 Post Office per 36,675 people, and 1 Post Office per 9 square miles.
In California, Antioch is ranked 1,048th of 1798 cities in Post Offices per capita, and 949th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Antioch Post Offices.
US Post Office 3636 Lone Tree Way Antioch, CA Mailing Service, Postal Services
United States Postal Service 2730 West Tregallas Road Antioch, CA Mailing Service, Postal Services
United States Postal Service 420 West 4th Street Antioch, CA Mailing Service, Postal Services