ZIP code · Rockford · Illinois · United States

ZIP code 61105 — Rockford

Name: Rockford (61105)
Address: Illinois, 61105, US

ZIP code 61105 serves Rockford, Illinois.

Postal code: 61105
Single source Value from one source, not cross-checked.
City: Rockford
County: Winnebago
State: Illinois
Country: United States
Coordinates: 42.2711, -89.0940 — precision precise (locality)
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Nearby localities

61101Rockford
61102Rockford
61103Rockford
61104Rockford
61106Rockford
61107Rockford
61108Rockford
61109Rockford
61110Rockford
61112Rockford

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page