ZIP Code 61046

61046 is one of Illinois's ZIP codes, delivering to addresses in Lanark, Carroll County.

City: Lanark
County: Carroll County
State: Illinois
Prefix: 610xx

Where this code sits

61046 is part of the 610xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lanark.

Lanark Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61046 delivers to without sharing its boundary.

ZIP codes nearest 61046

The ZIP codes whose reference points sit closest to 61046.
ZIP code	Distance	Delivers to
ZIP code 61078	6.1 mi	Shannon, IL
ZIP code 61014	7.7 mi	Chadwick, IL
ZIP code 61053	8.2 mi	Mount Carroll, IL
ZIP code 61051	9.0 mi	Milledgeville, IL
ZIP code 61062	12 mi	Pearl City, IL
ZIP code 61030	13 mi	Forreston, IL
ZIP code 61007	14 mi	Baileyville, IL
ZIP code 61064	14 mi	Polo, 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 61046, plotted from its record coordinates.

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

Scope ZIP code 61046. 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.