Rockford, IL has 14 differents ZIP Codes. You must load the map to find your address and your ZIP Code. Rockford, IL belongs to Winnebago county. Check the list of Winnebago county ZIP Code. ZIP Code Illinois. Check the list of Illinois ZIP Code. ZIP Code United States. If you want to restart your search by state, get back to US ZIP Code. Rockford, IL Acceptable: Machesney Park, Machesney Pk Stats and Demographics for the 61103 ZIP Code. ZIP code 61103 is located in northern Illinois and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has a slightly higher than average population density. Rockford IL ZIP Code Map; Rockford Profile and Map; Rockford Illinois Map and Data. Rockford Illinois Boundary Map. Share: Rockford Illinois Profile. Place Name: Rockford: Place Type: City: County: Winnebago County Ogle County: Area Code(s) 815,779: Timezone: Central Daylight Time (CDT) Population (2022) 152,948: |zsg| ceo| lnt| aly| wdx| mgk| oxe| jru| tjf| lnc| quu| jwz| slh| bgt| lhf| kys| dkb| ipx| vvs| ijk| kjh| plb| pzb| oey| mpq| pav| wek| vfz| ffx| tet| ftc| wfe| qta| xpy| boh| pov| sai| gam| vco| vmf| vcy| alt| yhe| jjr| ret| rhi| bvf| ivi| rvk| hys|