ZIP Code 61088

61088 is one of Illinois's ZIP codes, delivering to addresses in Winnebago, Winnebago County.

City: Winnebago
County: Winnebago County
State: Illinois
Prefix: 610xx

Where this code sits

61088 is part of the 610xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Winnebago.

Winnebago Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61088 delivers to without sharing its boundary.

ZIP codes nearest 61088

The ZIP codes whose reference points sit closest to 61088.
ZIP code	Distance	Delivers to
ZIP code 61106	5.0 mi	Rockford, IL
ZIP code 61110	5.0 mi	Rockford, IL
ZIP code 61125	5.0 mi	Rockford, IL
ZIP code 61126	5.0 mi	Rockford, IL
ZIP code 61130	5.0 mi	Loves Park, IL
ZIP code 61131	5.0 mi	Loves Park, IL
ZIP code 61132	5.0 mi	Loves Park, IL
ZIP code 61102	5.9 mi	Rockford, IL

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 61088, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 61088. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.