ZIP Code 61371

61371 is one of Illinois's ZIP codes, delivering to addresses in Triumph, LaSalle County.

City: Triumph
County: LaSalle County
State: Illinois
Prefix: 613xx

Where this code sits

61371 is part of the 613xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Triumph.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61371 delivers to without sharing its boundary.

ZIP codes nearest 61371

The ZIP codes whose reference points sit closest to 61371.
ZIP code	Distance	Delivers to
ZIP code 61372	3.8 mi	Troy Grove, IL
ZIP code 61342	5.5 mi	Mendota, IL
ZIP code 60518	8.3 mi	Earlville, IL
ZIP code 61373	9.5 mi	Utica, IL
ZIP code 61312	11 mi	Arlington, IL
ZIP code 61317	11 mi	Cherry, IL
ZIP code 61301	11 mi	La Salle, IL
ZIP code 61320	13 mi	Dalzell, 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 61371, plotted from its record coordinates.

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

Scope ZIP code 61371. 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.