ZIP Code 60421

60421 is one of Illinois's ZIP codes, delivering to addresses in Elwood, Will County.

City: Elwood
County: Will County
State: Illinois
Prefix: 604xx

Where this code sits

60421 is part of the 604xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Elwood.

Elwood Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 60421 delivers to without sharing its boundary.

ZIP codes nearest 60421

The ZIP codes whose reference points sit closest to 60421.
ZIP code	Distance	Delivers to
ZIP code 60436	5.7 mi	Joliet, IL
ZIP code 60442	5.7 mi	Manhattan, IL
ZIP code 60433	6.1 mi	Joliet, IL
ZIP code 60410	6.6 mi	Channahon, IL
ZIP code 60434	6.9 mi	Joliet, IL
ZIP code 60432	7.9 mi	Joliet, IL
ZIP code 60431	8.2 mi	Joliet, IL
ZIP code 60451	8.5 mi	New Lenox, 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 60421, plotted from its record coordinates.

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

Scope ZIP code 60421. 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.