ZIP Code 61532

61532 is one of Illinois's ZIP codes, delivering to addresses in Forest City, Mason County.

City: Forest City
County: Mason County
State: Illinois
Prefix: 615xx

Where this code sits

61532 is part of the 615xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Forest City.

Forest City Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61532 delivers to without sharing its boundary.

ZIP codes nearest 61532

The ZIP codes whose reference points sit closest to 61532.
ZIP code	Distance	Delivers to
ZIP code 61546	4.5 mi	Manito, IL
ZIP code 61567	5.5 mi	Topeka, IL
ZIP code 62682	8.7 mi	San Jose, IL
ZIP code 61543	9.2 mi	Liverpool, IL
ZIP code 62633	9.6 mi	Easton, IL
ZIP code 61534	10 mi	Green Valley, IL
ZIP code 62644	13 mi	Havana, IL
ZIP code 62664	13 mi	Mason City, 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 61532, plotted from its record coordinates.

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

Scope ZIP code 61532. 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.