Illinois · Winnebago
61105 ZIP Code
61105 is associated with Rockford, Illinois. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.
ZIP details
- ZIP code
- 61105
- City
- Rockford
- State
- Illinois (IL)
- County
- Winnebago
- Timezone
- America/Chicago
- State sales tax
- Varies by state
Questions about 61105
- 61105 is associated with Rockford, Illinois in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
- Winnebago. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
- America/Chicago. This is the IANA timezone name for the city associated with the ZIP.
- It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.