There are 2 Post Offices in Fairfield, California, serving a population of 112,790 people in an area of 41 square miles. There is 1 Post Office per 56,395 people, and 1 Post Office per 20 square miles.
In California, Fairfield is ranked 1,098th of 1798 cities in Post Offices per capita, and 1,051st of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Fairfield Post Offices.
United States Government 600 Kentucky Street Fairfield, CA
United States Postal Service 600 Kentucky Street Fairfield, CA Mailing Service, Postal Services