There are 3 Post Offices in Frankfort, Illinois, serving a population of 18,572 people in an area of 16 square miles. There is 1 Post Office per 6,190 people, and 1 Post Office per 5 square miles.
In Illinois, Frankfort is ranked 905th of 1547 cities in Post Offices per capita, and 976th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Frankfort Post Offices.
Frankfort Post Office 20668 Landings Pointe Frankfort, IL
US Post Office 11145 West Lincoln Highway Frankfort, IL Mailing Service, Postal Services
United States Postal Service 21201 South Elsner Road Frankfort, IL Mailing Service, Postal Services