ZIP Code 60420

60420 is one of Illinois's ZIP codes, delivering to addresses in Dwight, Livingston County.

City: Dwight
County: Livingston County
State: Illinois
Prefix: 604xx

Where this code sits

60420 is part of the 604xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dwight.

Dwight Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 60420 delivers to without sharing its boundary.

ZIP codes nearest 60420

The ZIP codes whose reference points sit closest to 60420.
ZIP code	Distance	Delivers to
ZIP code 60460	6.9 mi	Odell, IL
ZIP code 60920	7.2 mi	Campus, IL
ZIP code 60424	7.4 mi	Gardner, IL
ZIP code 60934	8.8 mi	Emington, IL
ZIP code 60437	8.8 mi	Kinsman, IL
ZIP code 60474	9.3 mi	South Wilmington, IL
ZIP code 60444	9.5 mi	Mazon, IL
ZIP code 60961	11 mi	Reddick, 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 60420, plotted from its record coordinates.

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

Scope ZIP code 60420. 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.