There are 2 Post Offices in Fairfield, Pennsylvania, serving a population of 538 people in an area of 1 square miles. There is 1 Post Office per 269 people, and 1 Post Office per square mile.
In Pennsylvania, Fairfield is ranked 664th of 2580 cities in Post Offices per capita, and 686th of 2580 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Fairfield Post Offices.
US Post Office 104 East Main Street Fairfield, PA
United States Postal Service 6 Carrolls Tract Road Fairfield, PA Mailing Service, Postal Services