Zip Code Listings for Rockford, Illinois The following are the areas codes and zip codes for Rockford, Illinois 61101 (area code: 815)
61102 (area code: 815)
61103 (area code: 815)
61104 (area code: 815)
61105 (area code: 815)
61106 (area code: 815)
61107 (area code: 815)
61108 (area code: 815)
61109 (area code: 815)
61110 (area code: 815)
61112 (area code: 815)
61114 (area code: 815)
61125 (area code: 815)
61126 (area code: 815)