ZIP Code 61442

61442 is one of Illinois's ZIP codes, delivering to addresses in Keithsburg, Mercer County.

City: Keithsburg
County: Mercer County
State: Illinois
Prefix: 614xx

Where this code sits

61442 is part of the 614xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Keithsburg.

Keithsburg Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61442 delivers to without sharing its boundary.

ZIP codes nearest 61442

The ZIP codes whose reference points sit closest to 61442.
ZIP code	Distance	Delivers to
ZIP code 61476	5.7 mi	Seaton, IL
ZIP code 52646	6.1 mi	Oakville, IA
ZIP code 61272	8.3 mi	New Boston, IL
ZIP code 61260	9.3 mi	Joy, IL
ZIP code 61469	11 mi	Oquawka, IL
ZIP code 61453	12 mi	Little York, IL
ZIP code 61231	12 mi	Aledo, IL
ZIP code 52637	13 mi	Mediapolis, IA

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 61442, plotted from its record coordinates.

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

Scope ZIP code 61442. 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.