Winnebago County, Illinois — ZIP directory
17 ZIP codes in Winnebago County. Pick a ZIP for services, power context, permits, and FAQs written for homeowners.
- Cherry Valley 61016 — Cherry Valley
- Durand 61024 — Durand
- Pecatonica 61063 — Pecatonica
- Rockton 61072 — Rockton
- Roscoe 61073 — Roscoe
- South Beloit 61080 — South Beloit
- Winnebago 61088 — Winnebago
- Rockford 61101 — Rockford
- Rockford 61102 — Rockford
- Rockford 61103 — Rockford
- Rockford 61104 — Rockford
- Rockford 61107 — Rockford
- Rockford 61108 — Rockford
- Rockford 61109 — Rockford
- Loves Park 61111 — Loves Park
- Rockford 61114 — Rockford
- Machesney Park 61115 — Machesney Park