ZIP Code 60552

60552 is one of Illinois's ZIP codes, delivering to addresses in Somonauk, DeKalb County.

City: Somonauk
County: DeKalb County
State: Illinois
Prefix: 605xx

Where this code sits

60552 is part of the 605xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Somonauk.

Somonauk Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 60552 delivers to without sharing its boundary.

ZIP codes nearest 60552

The ZIP codes whose reference points sit closest to 60552.
ZIP code	Distance	Delivers to
ZIP code 60548	2.2 mi	Sandwich, IL
ZIP code 60531	5.1 mi	Leland, IL
ZIP code 60537	6.9 mi	Millington, IL
ZIP code 60536	7.2 mi	Millbrook, IL
ZIP code 60545	7.7 mi	Plano, IL
ZIP code 60551	8.4 mi	Sheridan, IL
ZIP code 60556	9.1 mi	Waterman, IL
ZIP code 60520	9.2 mi	Hinckley, 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 60552, plotted from its record coordinates.

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

Scope ZIP code 60552. 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.