ZIP Code 83429

83429 is one of Idaho's ZIP codes, delivering to addresses in Island Park, Fremont County.

City: Island Park
County: Fremont County
State: Idaho
Prefix: 834xx

Where this code sits

83429 is part of the 834xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Island Park.

Island Park Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83429 delivers to without sharing its boundary.

ZIP codes nearest 83429

The ZIP codes whose reference points sit closest to 83429.
ZIP code	Distance	Delivers to
ZIP code 83433	15 mi	Macks Inn, ID
ZIP code 59758	20 mi	West Yellowstone, MT
ZIP code 83420	30 mi	Ashton, ID
ZIP code 83421	32 mi	Chester, ID
ZIP code 83445	37 mi	Saint Anthony, ID
ZIP code 83438	39 mi	Parker, ID
ZIP code 83436	40 mi	Newdale, ID
ZIP code 83424	41 mi	Felt, 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 83429, plotted from its record coordinates.

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

Scope ZIP code 83429. 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.