ZIP Code 83445

83445 is one of Idaho's ZIP codes, delivering to addresses in Saint Anthony, Fremont County.

City: Saint Anthony
County: Fremont County
State: Idaho
Prefix: 834xx

Where this code sits

83445 is part of the 834xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Anthony.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83445 delivers to without sharing its boundary.

ZIP codes nearest 83445

The ZIP codes whose reference points sit closest to 83445.
ZIP code	Distance	Delivers to
ZIP code 83438	2.7 mi	Parker, ID
ZIP code 83451	5.7 mi	Teton, ID
ZIP code 83436	7.2 mi	Newdale, ID
ZIP code 83448	8.0 mi	Sugar City, ID
ZIP code 83421	8.8 mi	Chester, ID
ZIP code 83460	10 mi	Rexburg, ID
ZIP code 83440	11 mi	Rexburg, ID
ZIP code 83441	13 mi	Rexburg, 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 83445, plotted from its record coordinates.

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

Scope ZIP code 83445. 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.