ZIP Code 60474

60474 is one of Illinois's ZIP codes, delivering to addresses in South Wilmington, Grundy County.

City: South Wilmington
County: Grundy County
State: Illinois
Prefix: 604xx

Where this code sits

60474 is part of the 604xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Wilmington.

South Wilmington Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 60474 delivers to without sharing its boundary.

ZIP codes nearest 60474

The ZIP codes whose reference points sit closest to 60474.
ZIP code	Distance	Delivers to
ZIP code 60424	3.2 mi	Gardner, IL
ZIP code 60407	3.9 mi	Braceville, IL
ZIP code 60935	4.8 mi	Essex, IL
ZIP code 60961	6.1 mi	Reddick, IL
ZIP code 60408	7.0 mi	Braidwood, IL
ZIP code 60969	8.1 mi	Union Hill, IL
ZIP code 60416	8.2 mi	Coal City, IL
ZIP code 60444	8.4 mi	Mazon, 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 60474, plotted from its record coordinates.

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

Scope ZIP code 60474. 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.