There are 2 Post Offices in Knoxville, Pennsylvania, serving a population of 639 people in an area of 1 square miles. There is 1 Post Office per 319 people, and 1 Post Office per square mile.
In Pennsylvania, Knoxville is ranked 687th of 2580 cities in Post Offices per capita, and 670th of 2580 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Knoxville Post Offices.
US Post Office 200 Main Street Knoxville, PA
United States Postal Service 105 East Main Street Knoxville, PA Mailing Service, Postal Services