ZIP Code 83229

83229 is one of Idaho's ZIP codes, delivering to addresses in Cobalt, Lemhi County.

City: Cobalt
County: Lemhi County
State: Idaho
Prefix: 832xx

Where this code sits

83229 is part of the 832xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cobalt.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83229 delivers to without sharing its boundary.

ZIP codes nearest 83229

The ZIP codes whose reference points sit closest to 83229.
ZIP code	Distance	Delivers to
ZIP code 83467	18 mi	Salmon, ID
ZIP code 83469	20 mi	Shoup, ID
ZIP code 83462	21 mi	Carmen, ID
ZIP code 83468	22 mi	Tendoy, ID
ZIP code 83466	25 mi	North Fork, ID
ZIP code 83235	29 mi	Ellis, ID
ZIP code 83465	34 mi	Lemhi, ID
ZIP code 83463	35 mi	Gibbonsville, 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 83229, plotted from its record coordinates.

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

Scope ZIP code 83229. 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.