There are 2 Post Offices in Sandwich, Illinois, serving a population of 7,633 people in an area of 5 square miles. There is 1 Post Office per 3,816 people, and 1 Post Office per 2 square miles.
In Illinois, Sandwich is ranked 825th of 1547 cities in Post Offices per capita, and 810th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Sandwich Post Offices.
US Post Office 22 North Eddy Street Sandwich, IL
United States Postal Service 22 North Eddy Street Sandwich, IL Mailing Service, Postal Services