There are 3 Post Offices in Belleville, Illinois, serving a population of 42,283 people in an area of 23 square miles. There is 1 Post Office per 14,094 people, and 1 Post Office per 7 square miles.
In Illinois, Belleville is ranked 1,047th of 1547 cities in Post Offices per capita, and 1,054th of 1547 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Belleville Post Offices.
US Post Office 112 East East Street Belleville, IL Mailing Service, Postal Services
United States Postal Service 120 West Washington Street Belleville, IL Mailing Service, Postal Services
United States Postal Service 5731 Mount Pleasant Lane Belleville, IL Mailbox Rental, Mailing Service, Postal Services