ZIP Code 61544

61544 is one of Illinois's ZIP codes, delivering to addresses in London Mills, Fulton County.

City: London Mills
County: Fulton County
State: Illinois
Prefix: 615xx

Where this code sits

61544 is part of the 615xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to London Mills.

London Mills Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61544 delivers to without sharing its boundary.

ZIP codes nearest 61544

The ZIP codes whose reference points sit closest to 61544.
ZIP code	Distance	Delivers to
ZIP code 61432	6.1 mi	Fairview, IL
ZIP code 61431	6.4 mi	Ellisville, IL
ZIP code 61474	6.6 mi	Saint Augustine, IL
ZIP code 61458	7.0 mi	Maquon, IL
ZIP code 61415	10 mi	Avon, IL
ZIP code 61433	10 mi	Fiatt, IL
ZIP code 61410	10 mi	Abingdon, IL
ZIP code 61531	12 mi	Farmington, 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 61544, plotted from its record coordinates.

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

Scope ZIP code 61544. 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.