Post Offices in Will County, Illinois

There are 19 Post Offices in Will County, Illinois, serving a population of 687,727 people in an area of 837 square miles. There is 1 Post Office per 36,196 people, and 1 Post Office per 44 square miles.

In Illinois, Will County is ranked 102nd of 102 counties in Post Offices per capita, and 30th of 102 counties in Post Offices per square mile.

List of Will County Post Offices

Find Will County, Illinois post offices and USPS mailing boxes.


Beecher Post Office 712 Penfield Street Beecher, IL

Bolingbrook Post Office 105 Canterbury Lane Bolingbrook, IL

Braidwood Post Office 280 West Main Street Braidwood, IL

Channahon Post Office 25150 West Channon Drive Channahon, IL

Crete Post Office 515 Cass Street Crete, IL

Downtown Joliet Post Office 51 East Clinton Street Joliet, IL

Elwood Post Office 303 East Mississippi Avenue Elwood, IL

Frankfort Post Office 21201 South Elsner Road Frankfort, IL

Joliet Post Office 2000 McDonough Street Joliet, IL

Lockport Post Office 1059 East 9th Street Lockport, IL

Manhattan Post Office 185 South State Street Manhattan, IL

Mokena Post Office 19934 Wolf Road Mokena, IL

Monee Post Office 5410 West Main Street Monee, IL

Naperville B Post Office 3075 Book Road Naperville, IL

New Lenox Post Office 300 Vine Street New Lenox, IL

Peotone Post Office 117 South West Street Peotone, IL

Plainfield Post Office 14855 Van Dyke Road Plainfield, IL

Romeoville Post Office 315 West Romeo Road Romeoville, IL

Wilmington Post Office 301 North Water Street Wilmington, IL

About Will County Post Offices

Will County Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Will County, IL. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Will County post offices are supported entirely by revenues generated by their own operations. Operational authority over the USPS lies with a Board of Governors and rate setting authority falls under the Postal Rate Commission.

You may contact the Post Office for questions about:
  • Will County Post Office hours and locations
  • Mail and package delivery services
  • Will County PO Box services
  • Passport applications and renewals
  • Will County Post Office jobs and employment