IL -- Winnebago

ZIP Codes with Listings, by City
Loves Park 61111, 61115
Machesney Park 61103, 61111, 61115
Pecatonica 61063
Rockford 61101, 61102, 61103, 61104, 61107, 61108, 61109, 61114
Rockton 61072
South Beloit 61080
Winnebago 61088