ZIP Code 61811

61811 is one of Illinois's ZIP codes, delivering to addresses in Alvin, Vermilion County.

City: Alvin
County: Vermilion County
State: Illinois
Prefix: 618xx

Where this code sits

61811 is part of the 618xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Alvin.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61811 delivers to without sharing its boundary.

ZIP codes nearest 61811

The ZIP codes whose reference points sit closest to 61811.
ZIP code	Distance	Delivers to
ZIP code 61814	3.2 mi	Bismarck, IL
ZIP code 61848	4.9 mi	Henning, IL
ZIP code 60963	5.4 mi	Rossville, IL
ZIP code 47982	8.4 mi	State Line, IN
ZIP code 47991	9.3 mi	West Lebanon, IN
ZIP code 61834	10 mi	Danville, IL
ZIP code 47993	11 mi	Williamsport, IN
ZIP code 61832	11 mi	Danville, 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 61811, plotted from its record coordinates.

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

Scope ZIP code 61811. 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.