Illinois Post Office Locations

This page provides a list of cities that have post office locations in Illinois. To find out what post offices are available, select a city below. We provide detailed information for each location listed in this state including the Illinois post office phone number, hours of operations, what services they provide, passports, money orders, PO boxes and other important information to help you determine which post office works best for you. At the post office you can ask for help with changing your mailing address, applying for PO box (If they offer this service), purchase office supplies like postage stamps and money orders or apply and renew your passport (If they offer this service). If you cannot find the city you are looking for below, then try our search option where you can find a Illinois post office near you.