ZIP Code 83531

83531 is one of Idaho's ZIP codes, delivering to addresses in Fenn, Idaho County.

City: Fenn
County: Idaho County
State: Idaho
Prefix: 835xx

Where this code sits

83531 is part of the 835xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fenn.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83531 delivers to without sharing its boundary.

ZIP codes nearest 83531

The ZIP codes whose reference points sit closest to 83531.
ZIP code	Distance	Delivers to
ZIP code 83530	7.6 mi	Grangeville, ID
ZIP code 83522	8.0 mi	Cottonwood, ID
ZIP code 83533	11 mi	Greencreek, ID
ZIP code 83526	14 mi	Ferdinand, ID
ZIP code 83554	15 mi	White Bird, ID
ZIP code 83552	16 mi	Stites, ID
ZIP code 83539	18 mi	Kooskia, ID
ZIP code 83543	20 mi	Nezperce, ID

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 83531, plotted from its record coordinates.

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

Scope ZIP code 83531. 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.