ZIP Code 61311

61311 is one of Illinois's ZIP codes, delivering to addresses in Ancona, Livingston County.

City: Ancona
County: Livingston County
State: Illinois
Prefix: 613xx

Where this code sits

61311 is part of the 613xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ancona.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61311 delivers to without sharing its boundary.

ZIP codes nearest 61311

The ZIP codes whose reference points sit closest to 61311.
ZIP code	Distance	Delivers to
ZIP code 61333	3.8 mi	Long Point, IL
ZIP code 61319	5.1 mi	Cornell, IL
ZIP code 61364	5.8 mi	Streator, IL
ZIP code 61321	8.0 mi	Dana, IL
ZIP code 61377	9.3 mi	Wenona, IL
ZIP code 61358	10 mi	Rutland, IL
ZIP code 61740	11 mi	Flanagan, IL
ZIP code 61313	11 mi	Blackstone, 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 61311, plotted from its record coordinates.

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

Scope ZIP code 61311. 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.