ZIP Code 60112

60112 is one of Illinois's ZIP codes, delivering to addresses in Cortland, DeKalb County.

City: Cortland
County: DeKalb County
State: Illinois
Prefix: 601xx

Where this code sits

60112 is part of the 601xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cortland.

Cortland Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 60112 delivers to without sharing its boundary.

ZIP codes nearest 60112

The ZIP codes whose reference points sit closest to 60112.
ZIP code	Distance	Delivers to
ZIP code 60115	3.6 mi	Dekalb, IL
ZIP code 60151	4.6 mi	Maple Park, IL
ZIP code 60178	4.9 mi	Sycamore, IL
ZIP code 60150	9.3 mi	Malta, IL
ZIP code 60111	9.5 mi	Clare, IL
ZIP code 60144	10 mi	Kaneville, IL
ZIP code 60520	11 mi	Hinckley, IL
ZIP code 60109	12 mi	Burlington, 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 60112, plotted from its record coordinates.

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

Scope ZIP code 60112. 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.