ZIP Code 61008

61008 is one of Illinois's ZIP codes, delivering to addresses in Belvidere, Boone County.

City: Belvidere
County: Boone County
State: Illinois
Prefix: 610xx

Where this code sits

61008 is part of the 610xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Belvidere.

Belvidere Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61008 delivers to without sharing its boundary.

ZIP codes nearest 61008

The ZIP codes whose reference points sit closest to 61008.
ZIP code	Distance	Delivers to
ZIP code 61038	5.5 mi	Garden Prairie, IL
ZIP code 61112	6.2 mi	Rockford, IL
ZIP code 61016	6.3 mi	Cherry Valley, IL
ZIP code 61065	6.9 mi	Poplar Grove, IL
ZIP code 61114	8.5 mi	Rockford, IL
ZIP code 61108	8.8 mi	Rockford, IL
ZIP code 61011	9.2 mi	Caledonia, IL
ZIP code 61107	9.6 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 61008, plotted from its record coordinates.

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

Scope ZIP code 61008. 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.