There are 4 Post Offices in Martinez, California, serving a population of 37,902 people in an area of 13 square miles. There is 1 Post Office per 9,475 people, and 1 Post Office per 3 square miles.
In California, Martinez is ranked 756th of 1798 cities in Post Offices per capita, and 617th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Martinez Post Offices.
US Post Office 3767 Alhambra Avenue Martinez, CA Mailing Service, Postal Services
United States Postal Service 815 Court Street Martinez, CA Mailing Service, Postal Services
United States Postal Service 4980 Pacheco Boulevard Martinez, CA Mailing Service, Postal Services
United States Postal Service 4100 Alhambra Avenue Martinez, CA Mailing Service, Postal Services