ILLINOIS | IL

Once you have your Change of Address – FORM 3575 completed (if you use our service the completed form will be in your email) you can take it to one of the Illinois post offices shown below OR you can put it in an envelope, place a stamp on it and address it to:

POSTMASTER

United States Postal Service

Illinois Post Offices & Mail Centers

NamePhoneAddressCityStateZIP Code
NamePhoneAddressCityStateZIP Code
Untd States Govt Post Offices; Collnsvyllepost Office (618) 344-1433 130 S Center St Collinsville IL 62234-9997
US Post Office (800) 275-8777 104 E State St Sycamore IL 60178-1467
US Post Office (800) 275-8777 102 N Main St Cherry IL 61317-1200
US Post Office (800) 275-8777 11 E Main St Newark IL 60541-9808
US Post Office (800) 275-8777 2842 E 860 North Rd Stockland IL
US Post Office (800) 275-8777 310 N Mill St North Utica IL 61373-9800
US Post Office (800) 275-8777 3906 E 752nd Rd Mendota IL
US Post Office (800) 275-8777 600 W Olympic Dr Lanark IL 61046-9122
US Post Office (800) 275-8777 301 2nd St Donovan IL 60931-8080
US Post Office (800) 275-8777 767 N Kent Rd Kent IL 61044-9614